Court victory! Child born abroad to gay couple is a US citizen.

Andrew Dvash-Banks (right) and his husband, Elad, play with their twin sons, Ethan and Aiden. (Photo: ASSOCIATED PRESS)

A federal appeals court has ruled against the U.S. State Department in its quest to deny the citizenship of one of two twins born abroad to a gay married couple.

The 9th U.S. Circuit Court of Appeals said Friday that…