Under his testament dated 29 Sep 1172, "Guillelmus dominus Montispessulani, filius quondam Sibilie" names "Guillelmo filio meo majori" as his principal heir.
Seigneur de Montpellier. "Guillelmus dominus Montispessulani et…Guido eius patruus atque tutor" recognised the rights of the church of Maguelone over "mons Sancti Baudilii" by charter dated May 1173. "Guillelmus dominus Montis pessulani filius Matildis" swore allegiance to the bishop of Maguelone by charter dated Apr 1184. "Guillelmus…Montispessulani, filius quondam Mathildis ducisse" disinherited his oldest daughter Marie on her second marriage in Dec 1197 in favour of his oldest son by his second (bigamous) marriage. "Raimundus de Rocafolio et…Guillelma uxor ejus que vocor Marchisia" acknowledged payment by "Guillemus dominus Montispessulani, filius quondam Mathildis ducisse" of the dowry promised to her, by charter dated Oct 1200. The abbot of Aniane granted property to "Guillermo domini Montispessulani filio quondam Mathilde ducisse" by charter dated 12 Jun 1202. In his testament dated 4 Nov 1202, he bequeathed Montpellier to "Guillelmum filium meum primogenitum", Tortosa to "Thome filio meo qui dicitur Tortosa", left money for "Raimundum filium meum" to become a monk at "Grandis-sylvæ", for "Bernardium Guillelmum filium meum" to become a canon "Girundæ et Lodoicensem", for "Guidonem filium meum" to become a monk at Cluny, for "filium meum Burgundionem" to become a canon "de Podio", left money to "filiæ meæ Mariæ…et comes Convenarum maritus eius", left money to "filiabus meis Agneti et Adalaiz", and named "Agnes uxor mea" and "patruus meus Guido…fratris mei Bergundionis…Clementiæ sorori meæ…viro suo Rostagno de Sabino".
The Thalamus de Montpellier records the death in Sep 1203 of "G. de Montpellier". 1