Isabelle de Meulan, Dame de Mayenne, Dame de Craon was a French noblewoman, being the daughter of Waleran de Beaumont, 1st Earl of Worcester, Count of Meulan.
Background
Isabelle was born in about 1148, the eldest daughter of Waleran de Beaumont, 1st Earl of Worcester, Count of Meulan, and Agnès de Montfort, Dame de Gournay-sur-Marne. Her father was a powerful Norman magnate with much wealth and political influence.
Career
Isabelle married twice. Firstly to Geoffroy, Seigneur de Mayenne, and secondly to Maurice II, Sire de Craon. Her eldest son Juhel III de Mayenne was a celebrated Crusader.
She had six brothers and two younger sisters.