- Gilbert De Roucy [Count of]
 Death - 1000 - Reims, Marne, France - Garcias IV Arragon
 - Alphonso Mrs (Family name unknown)
 Birth - 1000 - Hedingham, England - Robert S De Chateau
 Birth - about 1000 - Chateau E, France - Tancred Hauteville
 - Elfrida (Family name unknown) of Wessex
 - Alphonso (Family name unknown)
 Birth - 1000 - Hedingham, England - M Murchadh
 Birth - 1000 - Leinster, Ireland - Mrs Robert S De Chateau
 Birth - about 1000 - Chateau E, France - Toustien Le Goz
 Birth - about 1000 - Normandy, France - Renaud De Mrs. Clermont
 Birth - about 1000 - England - Renaud De Clermont
 Birth - about 1000 - England - Gunnora De Anjou
 Birth - about 1000 - France - Gilbert Crispin
 Birth - about 1000 - France - Daughter Princess Of Scotland
 Birth - about 1000 - Of, Scotland - Hugonis Count Of Coumont
 - Geoffrey I Count Gastinois
 - Geoffrey II Count Gastinois
 Birth - about 1000 - Of, Chateau Landon, France - Elizabeth De Vendome
 - Ingegard Anna (Family name unknown)
 - Ermengarde De Bar
 - Otho Count Of Otho
 Birth - 1000 - Vermandois, Normandy, France - Rognilda (Family name unknown)
 - Hughes I Count Ponthieu [Lordof Abbevill
 - Robert I Count Flanders
 Birth - 1000 - Normandy, France, Flanders - (Given name unknown) Herbert III

| |