Cal. Family Code § 7610 : California Family Code — Parent And Child Relationship — Establishing Parent And Child Relationship — Generally Date: 7 Sep 2016 TEXT PDF Current through the 2016 Legislative Session 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.