He is married to Matilda Countess of Flanders Queen of Normandy England.
They got married.
Added by confirming a Smart Match
MyHeritage family tree
Family site: Brown Web Site
Family tree: 307815491-1
William I UNKNOWN, King of EnGender: MaleBirth: Oct 14 1027 - Falaise, Calvados, Basse-Normandie, FranceDeath: Sep 9 1087 - Hermenbraville, Seine-Maritime, (near Rouen) FranceFather: Robert I UNKNOWN, Duke of NoMother: Herleve Arletta De FalaiseSiblings: Godiva of NormandyAdelaide Countess of Ponthieu
www.wikitree.com
William The ConquerorGender: MaleAlias: William I of EnglandBirth: 1028 - Duchy of NormandyDeath: Sep 9 1087 - RouenNationality: Duchy of Normandy Relatives: Relation Name BirthFather Robert I, Duke of Normandy June 22 1000Mother Herleva 1003Son William II of England 1056Son Henry I of England Sep 1068Son Robert Curthose 1050Daughter Adela of Normandy 1067Son Richard of Normandy Daughter Agatha of Normandy Daughter Constance of Normandy Daughter Cecilia of Normandy Daughter Adeliza Child Matilda Sister Adelaide of Normandy 1026Brother Odo, Earl of Kent 1036Brother Robert, Count of Mortain Wife Matilda of Flanders 1031
The records in this collection vary in what data items are present and one will find information on various aspects of the subject persons including names, biographical descriptions, nationalities, birth dates, birth places, death dates, death places, relatives, spouses, children, professions, nationalities, and educational attainment. The information in this collection has been compiled from Freebase (under CC-BY) and Wikipedia (under the GNU Free Documentation License).
William I the Conqueror Count of Burgundy Duke of Normandy King of England dBeaufortGender: MaleBirth: Oct 18 1024 - Falaise, Calvados, Basse-Normandie, FranceDeath: Sep 15 1087 - Rouen, Seine-Maritime, Haute-Normandie, FranceThere seems to be an issue with this person's relatives. View this person on FamilySearch to see this information.
The FamilySearch Family Tree is published by MyHeritage under license from FamilySearch International, the largest genealogy organization in the world. FamilySearch is a nonprofit organization sponsored by The Church of Jesus Christ of Latter-day Saints (Mormon Church).