Cal. Family Code § 3910 : California Family Code — Support — Duty Of Parent To Support Child — Support Of Adult Child — Equal responsibility to support child incapacitated from earning living Date: 7 Sep 2016 TEXT PDF Current through the 2016 Legislative Session (a) The father and mother have an equal responsibility to maintain, to the extent of their ability, a child of whatever age who is incapacitated from earning a living and without sufficient means. (b) Nothing in this section limits the duty of support under Sections 3900 and 3901. Ca. Fam. Code § 3910