General Notes

Gilbert, feudal Lord of Clare, Suffolk and Cardigan, whose father Richard was son of the Count of Brionne, of an illegitimate line of the Dukes of Normandy).  [Burke's Peerage]

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Gilbert de Tonebruge, who resided at Tonebruge and inherited all his father's lands in England, joined in the rebellion of Robert de Mowbray, Earl of Northumberland, but observing the king (William Rufus) upon the point of falling into an ambuscade, he relented, sought pardon, and saved his royal master. We find him subsequently, however, again in rebellion in the same reign and fortifying and losing his castle at Tunbridge. He m. in 1113, Adeliza, dau. of the Earl of Cleremont, and had issue, Richard, his successor, Gilbert, Walter, Hervey, and Baldwin. Gilbert de Tonebruge, who was a munificent benefactor to the church, was s. by his eldest son, Richard de Clare. [Sir Bernard Burke, Dormant and Extinct Peerages, Burke's Peerage, London, 1883, p. 119, Clare, Lords of Clare, Earls of Hertford, Earls of Gloucester]


Gilbert m. Adeliza, dau, of the Earl of Claremont, and was father of Richard de Clare, Earl of Hertford, and Gilbert de Clare, created Earl of Pembroke. [Sir Bernard Burke, Dormant, Abeyant, Forfeited and Extinct Peerages, Burke's Peerage, Ltd., London, England, 1883, p. 230, Giffard, Earls of Buckingham]