Count de Roucy Hildouin de Montdidier IV & Adelaide de Rheims 
They had a daughter named Beatrix.
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Personal Details
Count de Roucy Hildouin de Montdidier IV
Hildouin was born in 1010 in Montdidier, Somme, Picardy, France.1 He died at the age of 53 in 1063 in Ramerupt, Aube, champagne, France.1
1 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I008691&style=TABLE
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=jdp-fam&id=I4107
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=jdp-fam&id=I4107