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Robert , first earl of Gloucester, lord of Glamorgan

Born: pre 1100   Died: 31 October 1147   Active: c. 1121-1147   

An illegitimate son of Henry I, Robert was one of the most powerful men of his time. He died of a fever in 1147.

As earl of Gloucester Robert built a castle at Neath and established the lordship there. During the anarchic years of Stephen's reign Robert at first supported Stephen but then switched his allegiance to the Empress Matilda. He commanded her forces during the siege of Winchester. Robert was succeeded by his son, William.

Sites associated with this person

Margam Abbey, Neath Port Talbot (founder)

Bibliographical sources

Web links (open in new window)

Crouch, David, Oxford Dictionary of National Biography online - Robert, first earl of Gloucester (View website) (Subscription reqd.)

Archival sources

British Library, 'Seal of abbot and convent of Margam attached', (Document), (View website)