Adelaide of Tours

Adelaide of Tours (Adélaïde, c. 820 – c. 866) was a prominent noblewoman in the Carolingian Empire and daughter of count Hugh of Tours and his wife Ava, who was a sister of count Matfrid of Orléans.

She married an East Frankish nobleman Conrad the Elder, Count of Argengau (d. after 862), from the Elder House of Welf. The wedding took place sometime between 834-838, and Adelaide's dowry brought Conrad various estates in the West Frankish region of Auxerre. Adelaide and Conrad had at least two children, Hugh the Abbot (d. 886) and Conrad the Younger. Later traditions of the Swabian branch of the House of Welf assign to Conrad and Adelaide an additional son, Welf I.