He succeeded his father as Comte d'Albon, and was also referred to as "Dauphin". "La reine Mathilde" donated property to the abbey of Chalais in 1146, confirmed by charter dated 1147 by "Humbert alors évêque du Puy, depuis archévêque de Vienne…le comte Guigues, fils de Guigues dauphin et sa mere". Berthold Herzog von Zähringen (imperial administrator of the kingdom of Burgundy) granted rights in Vienne, which Emperor Lothar II had granted to his predecessor Duke Konrad, to “Guigoni Dalphino Albonis comiti” by charter dated 1155. "Dom. comes Albionensium, Guigo…dalphinus", acting with his council of advisers "Arberti de Turre…" and with the advice of "Willelmi de Clariaco Romanensis ecclesie sacristie", gave permission to the inhabitants of Romans to build a wall around their town, by charter dated 1161.
Married Beatrix, daughter of ---. The wife of Guigues [VII] is named Beatrix in secondary sources but the primary source which confirms that this is correct has not yet been identified. Her origin has been the subject of considerable controversy. The Vita Margaritæ Albonensis comitissæ records that the son of Marguerite de Viennois married "Imperatore…consanguineam". The Aymari Rivalli De Allobrogibus records that "Guigo tertius" married "neptem…primi Federici imperatoris". Chorier’s Histoire de Dauphiné names her Beatrice di Monferrato, daughter of Guglielmo V Marchese di Monferrato & his wife Judith of Austria, stating that her parentage is confirmed by letters from Emperor Friedrich I, dated 1168, addressed to "Guigoni Dalphino" which refer to her as "filia Guillelmi comitis Montisferrati". The family connections of Emperor Friedrich I are so numerous that it does not seem worthwhile to speculate on Beatrix’s correct parentage....
The Aymari Rivalli De Allobrogibus records the death in 1162 "in castro suo Visiliæ prope Gratianopolim" of "Guigo tertius" and his burial next to his father. 1
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