I originally, based on Turton, had William b. 947, d. 1037, and having children by his 990 marriage to Emma, who were born in 1015. This seems like a lot for a 68 year old man.
It turns out that the person born c 947 was another Raymond, probably son of Raymond, who m. Adelaide (Blanche) d'Anjou not Arsinde her sister (as some have it). William III is son of Raymond & Adelaide.
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The following is excerpted from a post to SGM, 30 Jul 2000, by Todd A Farmerie:
From: Todd A. Farmerie (farmerie@@interfold.com)
Subject: Re: Adelaide d'Anjou (was Tiburge d'Orange)
Newsgroups: soc.genealogy.medieval
Date: 2000/07/30
William [III of Toulouse] married Arsinde, then Emma of Provence. Emma was daughter of Roubaud (Rodbold) II, brother of Count William II of Provence (and also Count - Provence was, several times, subdivided among brothers. A later such division produced what would become the independent County of Forcalquier, but I don't know if there was a formal partition between Rodbold II and William II, with Rodbold receiving the Forcalquier portion or if they held the undivided County of Provence jointly). Arsinde's placement as being from Anjou probably results from confusion with Adelaide. Stasser proposes that she was instead daughter of William II of Provence (and hence first cousin of Emma) by his first wife, Arsinde of Carcasonne. This would make her a distant relative, being daughter of Arnaud of C. and Arsinde, daughter of Ermengaud of Rouergue, uncle of Raymond Pons. By Arsinde, William III had Raymond and Henry, who both died young, while by Emma he had Pons, Bertrand, and several daughters. FWIW, he makes Odile "of Nice" who is being discussed in the Orange thread, as another daughter of William II of Provence and Arsinde.
taf