Petronilla, Countess of Bigorre Countess of Bigorre (1184–1251) Parents Beatrice III of Bigorre Bernard IV of Comminges Children Martha, Viscountess of Marsan Alice, Countess of Bigorre Petronille of Montfort Siblings Bernard V of Comminges Pétronille de Comminges Arnaud-Roger de Comminges Partners Nuño Sánchez Boson de Matha Gaston VI, Viscount of Béarn Guy de Montfort, Count of Bigorre Aymar de Rancon