Dukes of Biron Herzöge von Biron Records #4 Holders Family filter On/Off Armand-Louis de Gontaut Biron, duke of Lauzun et de Biron * 1747 Charles Armand de Gontaut Biron, duke of Biron * 1663 François Armand de Gontaut, duke of Biron * 1689 Louis Antoine de Gontaut-Biron, duke of Biron * 1701 Corrections and Updates To suggest a correction or an update. Click Here