From 1365 until her death, she was the ruling Lady of Joinville and Countess of Vaudémont.

He was Count of Vaudémont as Henry V; he died when she was seven years old.

In 1378, Peter's brother Robert was elected antipope as Clement VII.

In 1392, Margaret married for the third time, to Frederick I (1368-1415), the younger brother of Duke Charles II of Lorraine.

This biography of a French peer or noble is a stub.