California lesbian couple have Twins.

Both partners are listed on Twins’ birth certificates and Twins’ have both partners’ names in their hyphenated surnames.

Shortly after Twins’ births, couple breaks up.

Biological Mother (Bio Mom) then takes up with sperm donor-Biogical Father (Bio Dad).

Lesbian couple had made no formal legal arrangements between themselves or, for that matter, with Bio Dad regarding Twins.

Bio Mom’s former lesbian partner (Other Mom) files paternity suit to get visitation with Twins.

California trial court orders shared legal custody of Twins between Bio Mom and Other Mom on a temporary basis.

Bio Mom, Other Mom and Bio Dad settle case, continuing same terms on permanent basis. Bio Dad’s rights, if any, are not known.

Bio Mom reportedly settled the case to avoid costly and drawn out litigation.

Read more in this Santa Cruz [CA] Sentinel article: Former Santa Cruz lesbian partners settle paternity suit.