A manuscript genealogy, dated to the early 12th century, records "Letaldus comes Vesoncius et Umbertus comes Marisconensis fratres". "Leutaldus atque et Umbertus filii…Alberici [comitis]" are named in an undated charter of Saint-Vincent de Mâcon. "Albericus comes…filii mei Letboldus et Umbertus" donated property to Saint-Vincent de Mâcon by charter dated [930]. "Unberti fratris eius" consented to the donation of Letald Comte de Mâcon dated Feb 944.
Seigneur de Salins. “Leuttaldus” donated “ecclesias...in villa...Gradiacus in honore Sancti Mauricii...alia in rure...Pontiliacus”, for the souls of “senioris mei Hugoni...Archicomitis...genitoris mei Alberici ac genetricis meæ Attalæ”, to the church of Besançon, with the consent of “Umberti fratris illius”, by charter dated 951, subscribed by “Widonis, Windilsmodi, Ugonis comitis Atoariorum...Alberici vicecomitis...”. 1
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