Conrad I of Argengau
Count of Argengau and Linzgau and of Auxerre
Lay Abbot of St Germain at Auxerre and of St Gall
Born (c800) – Died (Sept 21, 862)

Father – Welf II of Altdorf
Mother – Heilwig of Engern

Conrad was married (c836) to Adelaide of Tours
Children :

• Welf I of Argengau
• Conrad II of Argengau
• Adelaide of Argengau
• Hugh of Argengau
• Petronilla of Argengau