Cadet branch of the House of Fézensac
- Coat of Arms
House of Montesquiou
Lords and Barons of Montesquiou
Lords of Salles and Artagnan
Counts of Montesquiou-Fézensac
Counts of the Holy Roman Empire
- Cadet Branches
House of Monluc
Lords of Monluc, Lasséran and Mansencôme
House of Montesquiou de Marsan
Lords of Marsan, Lussan
and Salles
Counts of Montesquiou
Dukes of Fézensac
House of Montesquiou de Sainte-Colombe
Lords of Le Faget, Auriac
and Algans
Barons of Sainte-Colombe
- Personal Arms
Pierre de Montesquiou-Fézensac
Count of Montesquiou-Fézensac
Count of the French Empire
Grand Chamberlain of the French Empire