Dukes of Baños-I Duques de Baños-I Created by Charles II, king of Spain Decree date 18-09-1699 First holder Gabriel Ponce de Leon de Lancastre, 7th duke of Aveiro * 1667 Records #1 Holders Family filter On/Off 1 Gabriel Ponce de Leon de Lancastre, 7th duke of Aveiro * 1667 Corrections and Updates To suggest a correction or an update. Click Here