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Berenguier's place of origin, peiz renger, was identified with Puyrenier in Gascony by Camille Chabaneau and with Puisserguier in Languedoc by Oskar Schultz-Gora, which was supported by Alfred Jeanroy, since the name Berenguier is well-recorded in the family of the lords of Puisserguier.
HIs nickname means "of all-the-world"; according to Alfred Jeanroy, he was probably from Bruniquel in the Quercy.