Dukes of Firmacon Ducs de Firmacon Records #3 Holders Family filter On/Off Archambaud de Preissac d' Esclignac, duke of Firmacon * 1819 Boson de Preissac d' Esclignac, duke of Firmacon * 1824 Charles Philippe de Preissac, duke of Firmacon et d' Esclignac * 1790 Corrections and Updates To suggest a correction or an update. Click Here