GUILLAUME [VII] "le Jeune" d'Auvergne, son of ROBERT [III] Comte d'Auvergne & his wife --- (-[1169]). "Rotbertus comes Arvernorum" donated property to Sauxillanges, for the souls of "patris mei Willelmi et matris meæ ac fratris mei Willelmi et filii mei Willelmi", by undated charter[365]. Comte d'Auvergne. A charter dated 1145 records an agreement between the bishop of Clermont and "Willelmus Claromontis comes filius Roberti comitis"[366]. "Guillelmus comes Claromontensis et delphini Alverniæ" donated property to the abbey Saint-André lez Clairmont, for the souls of "nostræ quam…conjugis nostræ Joannæ de Calabria", by charter dated Jul 1149[367]. Fournier confirms that this last document is spurious, dating it probably to the 15th century after studying the original in the Puy-de-Dôme archives[368]. Guillaume [VII] “le Jeune” was dispossessed of the greater part of his county by his uncle Comte Guillaume [VIII] “le Vieux”. A charter dated 1166 records confirmations by "Guillermus Arverniæ comes filius comitis Roberti" of donations to the priory of Saint-Robert, Montferrand made by "bonæ memoriæ Guillermus comes avus prædicti comitis Guillermi"[369]. "Guillelmus Arverniæ comes et filius eius Delphinus" donated property to Chaise-Dieu, for the anniversary of "bonæ memoriæ comitis Roberti patris præfati Guillelmi", by undated charter[370]. "Willelmus comes Arverniæ et filius eius Delfinus" donated property to Mauzac by charter dated 1167[371].
[m firstly JEANNE de Calabria, daughter of --- (-after Jul 1149). "Guillelmus comes Claromontensis et delphini Alverniæ" donated property to the abbey Saint-André lez Clairmont, for the souls of "nostræ quam…conjugis nostræ Joannæ de Calabria", by charter dated Jul 1149[372]. Her parentage has not yet been ascertained. As noted above, this document has been judged spurious and probably dated to the 15th century, which means that this supposed first marriage of Guillaume [VII] is in doubt.]
m [secondly] ([1150]) MARQUISE d'Albon, daughter of GUIGUES Comte d'Albon & his wife Clémence [Marguerite] de Mâcon (-21 Jul 1196, bur Abbaye des Ayes). The Vita Margaritæ Albonensis comitissæ records that the two daughters of Marguerite de Viennois married "alteram…Arvenensium comiti, regis Franciæ consanguineo" and "alteram Valentinensium comiti"[373]. The Aymari Rivalli De Allobrogibus names "Marchesiam et Delphinam" as the two daughters of "Guigo secundus" and his wife "Macildam vel Clementiam filiam Stephani seu Sophini, Burgundiæ ducis, neptem papæ Calixti secundi", adding that "una comita Arverno, alterna Valentino" married[374]. A monumental inscription at the abbey of Ayes, near Grenoble, records the death "XII Kal Aug" of "Marchisia"[375]. André Dauphin Comte d’Albon confirmed donations to Chalais by "amita mea domina Marchisia et a Delphino de Arvernia, consobrino meo, eiusdemque Delphini filio…Wilelmo" by charter dated 1223[376].
Comte Guillaume [VII] & his [second] wife had four children