Geni apparently has two entries on this person:
1. Guillaume III Taillefer de Toulouse, 947-1037, son of Raymond III Pons of Toulouse and Garsinde de Rouergue
2. Guilllem III 'Taillefer' de Tolosa, comte de Tolosa, circa 970-September 1037, son of Raymond III, Count of Toulouse and Prince of Gothia and Adélaïde la Blanche.
Likewise, two entries for his father as indicated above.
