Sibylia de Catalan

Sibylia married Guillaume VI Seigneur de Montpellier et d'Omelas, son of Guillaume de Montpellier and Ermessende de Melgueil. (Guillaume VI Seigneur de Montpellier et d'Omelas was born about 1100 in Montpellier, Herault, Languedoc, France and died in 1161.)