Barons of Castelnau Barons de Castelnau Records #4 Holders Family filter On/Off Hugues III, baron of Castelnau Maffre II, baron of Castelnau * c. 1180 Maffre III, baron of Castelnau * c. 1260 Raymond de Castelnau-Tursan, baron of Castelnau du Lau Corrections and Updates To suggest a correction or an update. Click Here