Alice FitzRoy
Alix or Aline FitzRoy was the illegitimate daughter of King Henry I of England by one of his many mistresses. She married Matthieu I of Montmorency and had the following issue:
- Henry, died young before 1160
- Bouchard V de Montmorency,, who married in 1173 Laurette of Hainaut, daughter of Count Baldwin IV of Hainaut. They had a son Matthieu II de Montmorency, nicknamed the Great.
- Theobald de Montmorency, seigneur de Marly, he went on crusade in 1173. He died as a Cistercian monk sometime after 1189.
- Herve de Montmorency, abbot of Saint-Martin de Montmorency, then deacon of the Church and dean of Paris before his death in 1192.
- Matthieu de Montmorency, he inherited the lordship from his brother Theobald.
Alix died before 1141. Her husband, Matthieu married Adelaide of Maurienne, the widow of Louis VI of France.