m. (after 14 Dec 972) Urraca UNKNOWN (d. 12 Jul - ante 03 Apr 1009). Issue: 4.
Bernard Guillaume, Comte de Gascogne (d. 25 Dec 1009)
Gersende (d. after 996).
Sancho Guillaume (d. 4 Oct 1032; bur. Saint-Julien de Lescar).
Sancha [Brisca/Prisca] (d. ante 1018).
m. (early 1011) Guillame III "le Grand" Comte de Poitou, GUILLAUME V Duke of Aquitaine, son of GUILLAUME IV "Fier-à-Bras" Duke of Aquitaine [GUILLAUME II Comte de Poitou] & his wife Emma de Blois (-Abbaye de Maillezais 31 Jan 1030).
↑ Cawley (2006) states, "According to Europäische Stammtafeln, she was Urraca de Navarra, widow of Fernán González Conde de Castilla, daughter of García III Sánchez King of Navarre & his second wife Teresa de León. There does not appear to be any surviving primary source which confirms that this is correct, although several factors suggest that it may be true".