man Guillaume (William) I "The Conqueror" de Normandy, King of England , King of England‏‎, son of Robert I "The Magnificent", Duke of Normandy and Harlette (Herleva) de Falaise‏.
Born ‎ Oct 14, 1024 at Falaise, Normandy, baptized ‎ 1066 at Norman Conquest, As An Adult, died ‎ Sep 9/10, 1087 at Hermenbraville, Rouen, Normandy‎, approximately -1015 years, buried ‎after Sep 9, 1087 at Abbaye de St. Etienne, Caen, Normandy
Name: Guillaume I "le Conquerant" de /Normandie/ King of England (Ancestral File)

Name: William, "The Conqueror" (Family History Library archive record (family group sheet)) Guillaume (French) is William.

Norman Conquest

Christened as an adult

Married ‎ 1050 at Castle of Angi, Normandy, France (32 or 33 years married) to:

woman Matilda, Countess of Flanders, Queen of England‏‎, daughter of Baudouin V, Count of Flanders and Adaele (Alix), Princess of France‏.
Born ‎± 1031 at of, Flanders, died ‎ Nov 2, 1083 at Caen, Normandy‎, approximately 52 years, buried ‎ at Eglise de la Sainte Trinite, Caen, Normandy

Alternate marriage place: Eu, Seine-Inferieure, France (Family History Library archive record (family group sheet))

Children:

1.
man Duke of Normandy Robert II, Prince of England‏
Born ‎± 1053 at , Normandy, France, died ‎ Feb 10, 1134 at Cardiff, Glamorganshire, Wales‎, approximately 81 years, buried ‎ at St. Peters Church,, Gloucestershire, England
2.
man Richard, Prince of England‏‎
Born ‎± 1054 at , Normandy, France, died ‎ 1081 at New Forest, Hampshire, England‎, approximately 27 years
Unmarried
3.
woman Princess Cecilia, Princess of England‏
Born ‎± 1055 at , Normandy, France, died ‎ Jul 30, 1126 at Caen, Calvados, France‎, approximately 71 years, buried ‎ 1126
No name (Selected Families and Individuals)
4.
man William II "Rufus", King of England‏
Born ‎± 1056 at , Normandy, France, died ‎ Aug 1, 1100 at New Forest, Hampshire, England‎, approximately 44 years, buried ‎ Aug 2, 1100 at Cathedral, Winchester, Hampshire, England
5.
woman Alice (Adelaide) de Normandy‏‎
Born ‎± 1057 at of, Normandy, died ‎ 1065‎, approximately 8 years
Unmarried

Note: Alice or Adelaide, child no. 5, is the one claimed to have been betrothed to Harald II, King of England, and even though therer is some disputation as to when she died, Harald II, makes a claim she died before the invasion of England in 1066.

(Family History Library archive record (family group sheet))
6.
woman Mathilda, Princess of England‏‎
Born ‎ 1059 at , Normandy, France, died ‎before 1112‎, at most 53 years
7.
woman Constance, Princess of England‏
Born ‎± 1061 at , Normandy, France, died ‎ Aug 13, 1090 at ,, England‎, approximately 29 years, buried ‎ at St. Edmondsbury,, Suffolk, England
8.
woman Countess of Blois Adele (Alice), Princess of England, Countess of Blois , Countess of Blois‏
Born ‎± 1062 at of, Normandy, died ‎ Mar 8, 1135 at Marsilly, Aquitaine‎, approximately 73 years, buried ‎ at Caen, Normandy
First names: Adele (Alice) (Ancestral File)

First name: Adela (Family History Library archive record (family group sheet))
9.
woman Countess of Surrey Gundred, Princess of England‏
Born ‎± 1063 at , Normandy, France, died ‎ May 27, 1085 at Castle Acre, Acre, Norfolk, England‎, approximately 22 years, buried ‎ at Priory, Lewes, Sussex, England
10.
woman Agatha, Princess of England‏‎
Born ‎± 1064 at , Normandy, France, died ‎before 1086 at , Calvados, France‎, buried ‎ at Bayeux, Calvados, France
Betrothed, not married, to Alphonso VI, King Leon (Family History Library archive record (family group sheet))
11.
man Henry I "Beauclerc", King of England‏
Born ‎ 1068 at Selby, Yorkshire, England, baptized ‎ Aug 5, 1100 at Selby, Yorkshire, England, died ‎ Dec 1, 1135 at St. Denis, Seine-St. Denis, France‎, 66 or 67 years, buried ‎ Jan 4, 1136 at Reading Abbey, Reading, Berkshire, England