Lady Mariah is a minor NPC character in Romancing SaGa: Minstrel Song.
Rudolph & Mariah

Lady Mariah with her family

The wife of Lord Rudolf, ruler of the Isthmus lands and Isthmus Keep, she is also mother to both Diana and Albert.

During the assault on Isthmus Keep, Lady Mariah decides to stay behind with her husband and help defend the Keep. After valiantly defending the keep, slaying 10 times their own number, the fighters of the Keep, including Mariah, finally fall in battle.