Also known as Wigo.
Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: about 996.
Place of Death: unknown.
Relationships
(possible) Father: Guigues (III).
This relationship is given by Manteyer (p. 64). He suggests this ancestry: Guigues (III) was the son of dom Guiges (II) de Vion and Gandalmoda; Guigues (II) was the son of Guigues (I); Guigues (I) was the son of Rostaing (II) and Bertilde; Rostaing (II) was the son of Rostaing (I) and Sufficie.
Mother: unknown.
Spouse: Fredeburga.
This relationship is given by Manteyer (p. 62), who speculates about her origin (p. 63 ff.) and states (p. 70) that she later remarried.
Children:
Humbert, bishop of Grenoble.
(possibly) Richard.
Guigues (V) married Gotelene.
References
Manteyer, Georges de. “Les origines du Dauphiné de Viennois: la première race des comtes d’Albon (843-1228)” in Bulletin de la Société d’études des Hautes-Alpes (1925). pp. 50-140; pp. 307-426.