Penalty for the daughter of a kohen who marries a non-kohen and then eats terumah: Keritot 7a
Whether a Kohen's daughter may eat Terumah after divorce/widowing from a non-Kohen, where there are children remaining from the marriage: Kiddushin 4a
The above, if the child was an illegitimate child: Kiddushin 4a
