William de Bohun, 1st Earl of Northampton

William de Bohun, 1st Earl of Northampton, KG (c. 1312 – 16 September 1360) was an English nobleman and military commander.

He was the fifth son of Humphrey de Bohun, 4th Earl of Hereford and Elizabeth of Rhuddlan. He had a twin brother, Edward. His maternal grandparents were Edward I of England and his first Queen consort Eleanor of Castile.

William de Bohun assisted at the arrest of Roger Mortimer in 1330, allowing Edward III to take power. After this, he was a trusted friend and commander of the king and he participated in the renewed wars with Scotland.

In 1332, he received many new properties: Hinton and Spaine in Berkshire; Great Haseley, Ascott, Deddington, Pyrton and Kirtlington in Oxfordshire; Wincomb in Buckinghamshire; Longbenington in Lincolnshire; Kneesol in Nottinghamshire; Newnsham in Gloucestershire, Wix in Essex, and Bosham in Sussex.

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