Thomas de Grandison, 4th Baron Grandison

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Thomas de Grandison, 4th Baron Grandison (died 1 November 1375), KG, was an English soldier and nobleman.

Thomas was the son of Otes (also seen as Otho) de Grandison (youngest son of William de Grandison, 1st Baron Grandison) and Beatrix Malemayne. He inherited his uncle's John de Grandison titles in 1369.

Grandison led an English force in northwest France in 1370 and was defeated beneath the walls of the Château de la Faigne, by a French army and was captured.^[1] He was created a Knight of the Garter in 1370.

Thomas had married Margaret of Caru, with whom he had no issue. He died on 1 November 1375.^[2]

• Cokayne, G. E. (1926). H. A. Doubleday; Duncan Warrand & Lord Howard de Walden (eds.). The Complete Peerage, or a history of the House of Lords and all its members from the earliest times (Gordon to Hustpierpoint). Vol. 6 (2nd ed.). London: The St Catherine Press.
• Sumption, J. (2009). The Hundred Years' War: Divided Houses. Vol. III (paperback ed.). London: Faber & Faber. ISBN 978-0571240128.