マリアベル, Maribelle,Dire Damsel

I am simply protective of Lissa. My treasure is very sensitive, and... Wait. Am I really justifying myself to a commoner?
— Maribelle, to Robin

Maribelle (Japanese: マリアベル Mariabell) is a Ylissean noblewoman, the daughter of the Duke of Themis, a member of The Shepherds and the best friend of Princess Lissa.

(Source: Fire Emblem Wiki, edited)