March 1182 - At least before 7 April 1204 : Oger II of Montlezun 7 April 1204[2] - 1275 : Arnaud-Guilhem I, son of Oger II Before July 1275[2] - 1300 : Arnaud-Guilhem II(died 1309), son of Arnaud-Guilhem I 1300[2] - 1340 : Arnaud-Guilhem III, son of Arnaud-Guildhem II, married to Geraude, Dame of Biran and d'Ordan, before the Pentacost of 1309[2] 1340 - 13 August 1369:[2] Arnaud-Guilhem IV, son of Arnaud-Guildhem III[2] 13 August 1369 - 1380:[2] Jean I, son of Arnaud-Guilhem IV and Elenora of Peralta, unmarried, died in 1380 1380 - 1401 : Anne d'Montlezun, sister of previous, married to Géraud IV d'Armagnac, Viscount of Fézensaguet[fr] on 6 June 1379[2] 1380 - 1401 : Géraud d'Armagnac, Viscount of Fésenzaguet, married to Anne de Montlezun, daughter of Arnaud Guillaume IV and Eleanor de Peralta.
1401 - 1402 : Jean II d'Armagnac (died 1402), Viscount of Fésenzaguet, Count of Pardiac, son of Géraud d'Armagnac, married to Margarita (1363-1443), Countess of Comminges (without posterity); Prisoner of Bernard VII 1402 - 1418 : Bernard VII of Armagnac (1360 - 1418), Count of Armagnac, married to Bonne de Berry, daughter of Jean de France, Duke of Berry, and Joan of Armagnac.
1462 - 1477 : Jacques d'Armagnac, Duke of Nemours (1433–1477), Count of Paridac, Castres, and Marche.
Married in 1462 to Louise d'Anjou[fr], daughter of Charles IV of Anjou, Count of Maine, and Isabella of Luxembourg.
Property was confiscated by Charles VIII,[4][5] but the counties of Pardiac and Nemours were returned to his son, Jean of Armagnac, in 1484.