Louis IV de Bueil, Comte de Sancerre (died c. 1565) was the Count of Sancerre from 1537 until his death. Great cup-bearer of the king of France, Knight of the Order of King, Count of Sancerre (1537-1563), governor of Anjou, Touraine and Maine . He commanded the French defenders during the Siege of St. Dizier (1544). He fought at Battle of Marignano, Battle of Pavia, Battle of St. Quentin (1557), His granddaughter Jacqueline Montalais de Lorenzo was born in 1523.