Britannica Sources used in this answer

Who led the English victory at Auberoche in 1345?

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Edward III — Edward III Edward III, watercolour, 15th century; in the British Library (Cotton MS. Julius E. IV).

The English victory at the Battle of Auberoche in October 1345 was led by Henry of Grosmont, 1st duke and 4th earl of Lancaster. Serving as Edward III’s lieutenant and captain in southwestern France during the Hundred Years’ War, Henry defeated a superior French force under the command of Bertrand de l’Isle-Jourdain.12