Manasses Calvus de Dammartin-Montdidier, Count of Dammartin, was born circa 1000 to Manasses of Omont (c971-?) and Odélie de Castrice (c970-?) and died 1037 of unspecified causes. Charlemagne (747-814)/s.
Note that the French Wikipedia argues that Manasses' wife Constance was related to her mother but not her daughter (and hence no princess of France) because the dates do not match -- yet they do if, as here, Manasses is Hilduin's grandson (rather than son).
|Offspring of Manasses de Montdidier and Constance Capet (1014-1042)|
|Eudes de Dammartin (c1030-1067)||1030||1067|
|Hugues de Dammartin (c1055-1103)||1055||1103||Roharde de Clare (c1060-?)|
|Eustachie de Dammartin (?-aft1060)|
|Agnes de Dammartin (?-?)||Guillaume de Mantes (?-?)|
|Basilie de Dammartin (1034-c1081)||1034||1081||Hugues II de Gournay (1025-1074)|