Cal. Fam. Code § 7610 : CALIFORNIA FAMILY CODE — PARENT AND CHILD RELATIONSHIP — UNIFORM PARENTAGE ACT — ESTABLISHING PARENT AND CHILD RELATIONSHIP — Generally TEXT PDF The parent and child relationship may be established as follows: (a) Between a child and the natural parent, it may be established by proof of having given birth to the child, or under this part. (b) Between a child and an adoptive parent, it may be established by proof of adoption. Ca. Fam. Code § 7610 Amended by Stats 2013 ch 510 (AB 1403),s 2, eff. 1/1/2014.