Hughes le Manceau de Cosne
Hughes le Manceau was born about 1085 in Cosne-sur-Loire, Nievre, France.  He died in 1139.

 Beatrice de Toucy
Beatrice was born about 1090 in Toucy, Yonne, France.

 Beatrice de Cosne
Beatrice was born about 1112 in Cosne-sur-Loire, Nievre, France.  She died after 1151.