Frédéric de Montbéliard, Margrave of Susa, was born circa 1050 to Louis de Montbéliard (c1011-c1071) and Sophie de Bar (c1018-1093) and died 1092 of unspecified causes. He married Agnes de Savoie (c1077-1091) . Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899). Ancestors are from France, the United Kingdom, Germany, Belgium.
|Offspring of Frédéric de Montbéliard and Agnes de Savoie (c1077-1091)|
|Peter di Susa (?-bef1140)|| |
|Siegfried di Susa (?-?)|