Maud, Abbess of Montivilliers, was a natural daughter of

Henry I of England Henry I (c. 1068 – 1 December 1135), also known as Henry Beauclerc, was King of England from 1100 to his death in 1135. He was the fourth son of William the Conqueror and was educated in Latin and the liberal arts. On William's death in ...

by an unknown

mistress Mistress is the feminine form of the English word "master" (''master'' + ''-ess'') and may refer to: Romance and relationships * Mistress (lover), a term for a woman who is in a sexual and romantic relationship with a man who is married to a ...

.Geoffrey H. White, ‘ "Associates" and Illegitimate Children of King Henry (I) Beauclerc of England’, Appendix D of ''

The Complete Peerage ''The Complete Peerage'' (full title: ''The Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom Extant, Extinct, or Dormant''; first edition by George Edward Cokayne, Clarenceux King of Arms; 2nd edition rev ...

'', Volume XI, 1949. She is not to be confused with Isabel, another illegitimate daughter of Henry I by his mistress Isabel de Beaumont (c. 1102 – c. 1172), herself a sister of

Robert de Beaumont, 2nd Earl of Leicester Robert de Beaumont, 2nd Earl of Leicester (1104 – 5 April 1168) was Justiciar of England 1155–1168. The surname "de Beaumont" was given to him by genealogists. The only known contemporary surname applied to him is "Robert son of Count Rober ...

. Maud (or Mathilda) was a half-sister of the Empress Matilda, who agreed to work with her.Kathleen Thompson, ‘Affairs of State: the illegitimate children of Henry I’, ''Journal of Medieval History'', 29 (2003), pp. 129–151. She may have valued her company and advice. Matilda became the

abbess An abbess (Latin: ''abbatissa''), also known as a mother superior, is the female superior of a community of Catholic nuns in an abbey. Description In the Catholic Church (both the Latin Church and Eastern Catholic), Eastern Orthodox, Coptic ...

of the

Montivilliers Abbey Montivilliers Abbey (french: Abbaye de Montivilliers; la, Monasterium Villare) is a former Benedictine nunnery, founded between 682 and by Saint Philibert in the town of Montivilliers in Normandy, in the present department of Seine-Maritime, F ...

, and for that reason is best known as Maud of Montivilliers.

References

Year of death missing Illegitimate children of Henry I of England 12th-century English nuns Anglo-Norman Roman Catholic abbesses Year of birth missing 12th-century French nuns People from Montivilliers Daughters of kings {{Normandy-stub