That hasn't been my experience. I am American, living in France, and have four children. Two of them were verbal before we immigrated, one was a baby, and the youngest was born here. All are bilingual. All speak English with an American accent, not a French one.

Nicolas Coster, aka Lionel Lockridge on Santa Barbara, married to Augusta Lockridge, played by Louise Sorel, who played Rayna the android on TOS.

Six degrees of Star Trek androids.