With this marriage she united the county of Bigorre and the viscounty of Marsan.
Centule married his eldest son to Talesa, a natural daughter of Sancho V of Navarre, and Gaston received the neighbouring viscounty of Montaner as a dowry, thus uniting it to the dominion of Béarn.
Alphonse I of Toulouse, claiming his right to the regency of Narbonne during Ermengarde's minority, invaded the viscounty in 1139 with the support of Archbishop Arnaud de Lévezou.
The western part of Gévaudan constituted the Viscounty of Grèzes.
In 1230 Hugh eventually succeeded to Bénavent and Richard to the viscounty of Carlat.
James inherited from his father a realm including three of the Balearic Islands (Majorca, Ibiza and Formentera), the counties of Roussillon and Cerdanya, the dominion of Montpellier, the barony of Aumelàs, and the viscounty of Carladès.
The viscounty of Uzès became a duchy by letters patent of Charles IX issued at Mont-de-Marsan in May 1565.
Guihomar of Léon (1168-1179) - Guyomarch IV de Léon - Harvey's son; viscounty seized by Geoffrey II, Duke of Brittany