Henry de Lacy, 3rd Earl of Lincoln, was a prominent English nobleman born around 1284. He was the son of Henry de Lacy, 2nd Earl of Lincoln and Margaret de Quincy. Henry became the Earl of Lincoln in 1311 after his father's death and played a significant role in the political landscape of medieval England. Throughout his life, Henry de Lacy was involved in various military campaigns and served as a loyal supporter of King Edward II. He was known for his contributions to the English crown and held several important positions, including serving as the Lord High Steward of England. He died in 1345, leaving a legacy as a respected nobleman.