Article 13 “Age and Maturity” Defense: Particularized Child Objection, Reasons Immaterial, and “Undue Influence” as Part of the Factfinding

1. Introduction

Bismark Boa-Bonsu v. Deborah Owusu (Sixth Cir. June 22, 2026) is a Hague Convention return action arising from the removal of an eight-year-old child, B.B., from Finland to the United States by the child’s mother, Deborah Owusu, in violation of the father’s (Bismark Boa-Bonsu’s) Finnish custody rights. After relocation to Columbus, Ohio, the father petitioned in federal court for B.B.’s return to Finland under the Hague Convention on the Civil Aspects of International Child Abduction and its U.S. implementing statute, the International Child Abduction Remedies Act (“ICARA”), 22 U.S.C. §§ 9001–11.

The key appellate issue was narrow: whether the district court clearly erred in applying the Convention’s Article 13 “age and maturity” exception—i.e., whether B.B. had attained sufficient maturity and “object[ed] to being returned,” such that the court may refuse return.

2. Summary of the Opinion

The Sixth Circuit affirmed the denial of return. The court held that the district court did not clearly err in finding:

  • B.B. was sufficiently mature for his views to be considered under Article 13;
  • B.B. expressed a particularized objection (not merely a preference) to returning to Finland; and
  • Any maternal “influence” did not rise to “undue influence” rendering the objection unreliable.

The majority emphasized the heavy deference owed to trial courts in this fact-bound setting—especially where the judge interviewed the child in camera—and rejected the dissent’s more restrictive view of what qualifies as an “objection.”

3. Analysis

A. Precedents Cited

1) Baseline Hague Convention framework and “exceptions are narrow”

  • Golan v. Saada, 596 U.S. 666 (2022): Used for the core proposition that return is ordinarily required after wrongful removal, subject to exceptions. The majority situates Article 13 as one such exception.
  • Friedrich v. Friedrich, 78 F.3d 1060 (6th Cir. 1996): Influential in two ways. First, it supplies the Sixth Circuit’s longstanding view that Convention exceptions are “narrow.” Second, it provides the low bar for “exercise” of custody rights (attempts to maintain a “somewhat regular relationship”), reinforcing the Convention’s pro-return orientation even while recognizing enumerated defenses.
  • Abbott v. Abbott, 560 U.S. 1 (2010): Cited for the Convention’s animating principle that custody merits are best decided in the child’s country of habitual residence, underscoring why Article 13 must not become a substitute for custody adjudication.

2) Standard of review and “factfinding courts, not appellate courts”

  • Simcox v. Simcox, 511 F.3d 594 (6th Cir. 2007): Central Sixth Circuit authority for treating maturity as a factual determination entitled to deference; also provides a contrast fact pattern (an eight-year-old found insufficiently mature where the child was “preoccupied, disinterested and detached”).
  • Monasky v. Taglieri, 589 U.S. 68 (2020): The opinion leans heavily on Monasky’s teaching that Hague Convention determinations often reduce to factfinding after the correct legal standard is identified, warranting clear-error review to preserve expedition.
  • U.S. Bank N.A. v. Village at Lakeridge, LLC, 583 U.S. 387 (2018), United States v. Estrada-Gonzalez, 32 F.4th 607 (6th Cir. 2022), and United States v. Caston, 851 F. App’x 557 (6th Cir. 2021): Used to describe clear-error review as a “serious thumb on the scale” for the trial court.
  • Matthews v. Abramajtys, 319 F.3d 780 (6th Cir. 2003) and Wooldridge v. Marlene Indus. Corp., 875 F.2d 540 (6th Cir. 1989): Cited for the general proposition that trial courts are better positioned to judge demeanor and credibility—especially salient with child witnesses.
  • Vasconcelos v. Batista, 512 F. App’x 403 (5th Cir. 2013) and De Silva v. Pitts, 481 F.3d 1279 (10th Cir. 2007): Support treating “child objects” as a fact-intensive inquiry reviewed for clear error.
  • England v. England, 234 F.3d 268 (5th Cir. 2000): An example where reversal of a maturity finding was warranted due to limited findings and evidence of disabilities—used to show this case is not such an outlier.

3) What counts as “maturity” and the absence of any minimum age rule

  • Custodio v. Samillan, 842 F.3d 1084 (8th Cir. 2016): Provides bookends (a fifteen-year-old is typically mature; a fifteen-month-old is not), illustrating why the middle range requires individualized assessment.
  • Jimenéz Blancarte v. Ponce Santamaria, No. 19-13189, 2020 WL 38932 (E.D. Mich. Jan. 3, 2020), Anderson v. Acree, 250 F. Supp. 2d 876 (S.D. Ohio 2002), and Blondin v. Dubois, 238 F.3d 153 (2d Cir. 2001): Illustrate that children around eight to ten can be deemed mature, depending on presentation and comprehension.
  • Raijmakers-Eghaghe v. Haro, 131 F. Supp. 2d 953 (E.D. Mich. 2001) and In re R.V.B., 29 F. Supp. 3d 243 (E.D.N.Y. 2014): Demonstrate that similar ages can also yield non-maturity findings—supporting the majority’s theme that results are “disparate” because the inquiry is “idiosyncratic.”
  • Tsai-Yi Yang v. Fu-Chiang Tsui, 499 F.3d 259 (3d Cir. 2007), Vieira v. De Souza, 22 F.4th 304 (1st Cir. 2022), and Blondin v. Dubois, 238 F.3d 153 (2d Cir. 2001): Invoked to reject any categorical minimum age threshold.
  • Elisa Pérez-Vera, Explanatory Report (“Pérez-Vera Report”) ¶ 30: The opinion treats this as an authoritative interpretive aid: the drafters rejected a minimum age and left application to “competent authorities,” reinforcing case-by-case discretion.

4) “Objection” versus “preference” and the irrelevance of the child’s reasons

  • Tsai-Yi Yang v. Fu-Chiang Tsui, 499 F.3d 259 (3d Cir. 2007): Provides the “particularized objections” vs. generalized desire framework adopted by the Sixth Circuit.
  • Rodriguez v. Yanez, 817 F.3d 466 (5th Cir. 2016): Two key influences. First, it distinguishes preference from objection. Second, it supports the proposition—embraced by the majority—that the exception applies “whatever the reason for the child’s objection” and that objections may be rooted in parental-care considerations because the choice between countries often corresponds to a choice between parents.
  • Dubikovskyy v. Goun, 54 F.4th 1042 (8th Cir. 2022): Reinforces the preference/objection distinction and the “reasons immaterial” proposition; also supplies language the dissent uses, which the majority addresses and limits.
  • De Silva v. Pitts, 481 F.3d 1279 (10th Cir. 2007): Supports affirmance where the record shows a “considered decision.”
  • Neumann v. Neumann, 310 F. Supp. 823 (E.D. Mich. 2018): Used to highlight the “wishes” vs. “objection” distinction and to show that school/support-system reasons can coexist with an objection.

5) Undue influence (coaching) as part of the maturity/objection assessment, not a freestanding step

  • Hague Convention Text and Legal Analysis, 51 Fed. Reg. 10,494, 10,510 (Mar. 26, 1986): The court uses this State Department analysis to explain why courts may discount objections that appear to result from “brainwashing” or undue influence.
  • Avendano v. Balza, 985 F.3d 8 (1st Cir. 2021): Provides the doctrinal framing the Sixth Circuit adopts expressly: undue influence is best treated as a consideration within the maturity/objection inquiry, because the Convention is “silent” on undue influence as a separate element.
  • Díaz-Alarcón v. Flández-Marcel, 944 F.3d 303 (1st Cir. 2019), Blondin v. Dubois, 238 F.3d 153 (2d Cir. 2001), and Custodio v. Samillan, 842 F.3d 1084 (8th Cir. 2016): Support deference to trial courts that consider coaching evidence yet find the child’s views “honest and heartfelt.”

B. Legal Reasoning

  1. Start from wrongful removal and pro-return baseline, then narrow to Article 13. The court accepts (as undisputed on appeal) the wrongful removal finding and focuses solely on the “age and maturity” defense.
  2. Apply clear-error review to maturity and objection determinations. Leaning on Monasky v. Taglieri and Simcox v. Simcox, the court treats maturity and objection as factfinding tasks where the district judge’s in-person assessment is paramount.
  3. Reject minimum-age rules; affirm maturity based on the trial judge’s direct observations. The majority credits the district court’s description of B.B. as “attentive,” “articulate,” and able to engage meaningfully—distinguishing Simcox v. Simcox and analogizing to Anderson v. Acree and Blondin v. Dubois.
  4. Clarify that “objection” requires more than preference, but reasons for the objection are not dispositive. The court adopts the widely used “particularized objection” approach (from Tsai-Yi Yang v. Fu-Chiang Tsui) and holds that B.B.’s articulated grounds—language/education consequences, family ties in the U.S., and caregiving concerns—were sufficiently particularized to qualify. It expressly rejects the idea that the child must express “disdain” for the habitual-residence country.
  5. Address “natural consequences of abduction” arguments without collapsing the exception. The court accepts that some reasons (loss of language, developing family ties in the U.S.) may stem from the wrongful removal, but reasons that relate to removal cannot be categorically discounted without making Article 13 meaningless.
  6. Treat undue influence as an embedded credibility/maturity issue and defer to the district court’s evaluation. Applying Avendano v. Balza, the court frames undue influence as part of assessing whether the child is expressing his own views. It affirms because the district court considered coaching concerns (deposition break conversation, inconsistencies, child seeking mother’s approval) yet plausibly found no “undue influence” sufficient to invalidate the objection.
  7. Engage the dissent and preserve the distinct role of Article 13 versus Article 13(b). The majority criticizes the dissent for effectively narrowing Article 13 to extreme scenarios (akin to “grave risk”), which would risk rendering the mature-child exception surplusage.

C. Impact

This decision meaningfully shapes Sixth Circuit Hague Convention practice in three ways:

  • Deference becomes the centerpiece in mature-child disputes. By repeatedly emphasizing clear-error review and the district court’s superior vantage point during in-camera interviews, the opinion signals that mature-child appeals will be difficult to win without stark record contradictions.
  • “Objection” is policed (preference is insufficient), but not by categorically excluding common child-centered reasons. The court confirms the need for a particularized objection, yet rejects a subject-matter filter that would disqualify objections connected to school, language, family attachments, or caregiving concerns.
  • Undue influence is doctrinally cabined. By clarifying that undue influence is not a standalone Hague factor but a consideration within maturity/objection factfinding, the opinion offers a clearer litigation roadmap: parties should present coaching evidence as bearing on the reliability and independence of the child’s views, and trial courts should make explicit credibility findings.

Practically, the case encourages (1) careful, well-documented in-camera interviews; (2) focused evidence about the child’s comprehension and independence; and (3) trial-court findings that explicitly connect demeanor and statements to maturity and objection—because those findings will drive appellate outcomes.

4. Complex Concepts Simplified

  • Hague Convention “return” remedy: Not a custody decision. It is a jurisdiction-restoring mechanism that generally sends the child back to the “habitual residence” so that custody can be decided there.
  • Wrongful removal: Removing a child across borders in breach of custody rights actually exercised in the child’s habitual-residence country.
  • Article 13 “age and maturity” exception: If a child is mature enough and objects to being returned, the court may refuse return (discretionary, not mandatory).
  • “Preference” vs. “objection”: A preference is “I’d rather stay here.” An objection is a more definite, particularized resistance to being returned—something the court can treat as a meaningful stance rather than ordinary adjustment to a new place.
  • In-camera interview: The judge speaks with the child privately (typically outside the parents’ presence) to reduce pressure and assess maturity and sincerity.
  • Clear-error review: An appellate court will not re-try facts; it will uphold plausible trial-court fact findings even if it might have weighed evidence differently.
  • Undue influence: Coaching or pressure by the abducting parent that could make the child’s stated view unreliable; here, it is treated as part of assessing whether the child is truly expressing his own views.

5. Conclusion

Bismark Boa-Bonsu v. Deborah Owusu strengthens Sixth Circuit guidance on the Hague Convention’s mature-child exception by (1) reaffirming deep deference to district courts on maturity and objection; (2) requiring a “particularized objection” while rejecting rigid, reason-based exclusions that would collapse Article 13 into Article 13(b); and (3) clarifying that “undue influence” is not an independent doctrinal hurdle but an evidentiary consideration within the maturity/objection factfinding.

The broader significance is institutional: the opinion reinforces that Article 13 determinations are intensely fact-bound and will often stand or fall on the quality of the district court’s child interview and credibility findings—making trial-level development and careful judicial explanation decisive in Hague litigation.