Gilbert de Clare, 5th Earl of Hertford was a prominent English nobleman born around 1291. He was the son of Gilbert de Clare, 4th Earl of Hertford and Joan of Acre, the daughter of King Edward I. Gilbert inherited his title in 1314 and became a significant figure during the English Civil War. Throughout his life, Gilbert was involved in various military campaigns and political affairs. He played a key role in the Barons' War and was known for his loyalty to the crown. He died in 1342, leaving behind a legacy as a powerful lord in medieval England.