Henry I of England

Henry I of England (c.1068 – 1 December 1135), called Henry Beauclerc because of his scholarly interests, was the fourth son of William the Conqueror. He reigned as King of England from 1100 to 1135, succeeding his brother, William II Rufus. Henry also was known by the nickname "Lion of Justice", due to the refinements which he brought about in the rudimentary administrative and legislative machinery of the time.

Illegitimate Children

King Henry is famed for holding the record for the largest number of acknowledged illegitimate children born to any English king, with the number being around 20 or 25. He had many mistresses, and identifying which mistress is the mother of which child is difficult. His illegitimate offspring for whom there is documentation are:

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• Robert FitzRoy. His mother was probably a member of the Gai family.
• Sibylla FitzRoy, married King Alexander I of Scotland. Probably the daughter of Sibyl Corbet.
• Reginald FitzRoy. His mother was Sibyl Corbet.
• Maud FitzRoy, married Conan III, Duke of Brittany
• Richard FitzRoy, perished in the wreck of the White Ship. His mother was Ansfride.
• Fulk FitzRoy, a monk at Abingdon. His mother may have been Ansfride.
• Juliane FitzRoy, married Eustace de Pacy. She tried to shoot her father with a crossbow after King Henry allowed her two young daughters to be blinded. Her mother may have been Ansfride.
• Matilda FitzRoy, married Count Rotrou II of Perche, perished in the wreck of the White Ship. Her mother was Edith.
• Constance FitzRoy, married Roscelin de Beaumont
• Henry FitzRoy, died 1157. His mother was Princess Nest.
• Mabel FitzRoy, married William III Gouet
• Aline FitzRoy, married Matthieu I of Montmorency
• Isabel FitzRoy. Her mother was Isabel de Beaumont, sister of Robert de Beaumont, 2nd Earl of Leicester.
• Matilda FitzRoy, abbess of Montvilliers. Her mother was Isabel de Beaumont, sister of Robert de Beaumont, 2nd Earl of Leicester.
• Adeliza FitzRoy. Appears in charters with her brother Robert (below), she was probably daughter of Eda FitzForne.
• Robert FitzRoy, died 1172. His mother was Eda FitzForne.
• William de Tracy, died shortly after King Henry.
• Gilbert FitzRoy, died after 1142. His mother may have been a sister of Walter de Gand.