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who married William, Count of La Ferté-Macé –below). Muriel perhaps had issue by Eudo:
    1  Muriel; she is said to have married Robert de la Haia (although there is no firm evidence for this).
    Muriel’s date of death is not known; she was buried in the Abbey of Bury St Edmunds, Suffolk.
    5   Sister (?)
    Her existence is uncertain and her name unknown. She was possibly the sister who married William, Count of La Ferté-Macé.
    6   Isabella
    She married Henry, Count of Séez, and had issue:
    1 St Osmund, Bishop of Salisbury ( d .1099).
    WILLIAM I
    Known as ‘the Bastard’, and later as ‘the Conqueror’, he was born in c .1027/8 at Falaise Castle in Normandy. He succeeded his father as Duke of Normandy on 22 July, 1035, despite his bastardy, as Duke Robert had no legitimate son. William became Count of Maine by right of conquest in 1063. He defeated Harold II at the Battle of Hastings on 14 October, 1066, and claimed the crown of England by right of inheritance (according to William, Edward the Confessor had promised to make him his successor) and by right of conquest. William I formally acceded to the throne of England on 25 December,1066, and was crowned on that same day in Westminster Abbey, his being the first coronation to take place in the Abbey, which set a precedent for almost all future coronations.
    William I married , in c .1050/52 at the Cathedral of Notre Dame d’Eu in Normandy:
    Matilda
    She was the daughter of Baldwin V, Count of Flanders, by Adela, daughter of Robert II, King of France. She was born in c .1032, and was crowned Queen Consort on 11 May, 1068, either at Westminster Abbey or in Winchester Cathedral. Matilda died on 2 November, 1083, at Caen in Normandy, and was buried in the Abbey of the Holy Trinity, her own foundation known as the Abbaye aux Dames, Caen, Normandy.
    Issue of marriage:
    1   Robert
    Known as ‘Curthose’, he was born in c .1052/4 in Normandy. He succeeded his father as Duke of Normandy on 9 September, 1087, but was deprived of the dukedom by his brother Henry I on 28 September, 1106, after losing the Battle of Tinchebrai in Normandy. Robert was henceforth a prisoner in England for the rest of his life. He died on 3, 10 or 15 February, 1134/5, still in captivity, at Cardiff Castle, and was buried in Gloucester Cathedral.
    Robert married, in 1100, at Apulia, Sicily:
    Sybilla
    She was the daughter of Geoffrey, Count of Conversano. She died around February or March, 1103, at Rouen in Normandy, probably in childbed, although one chronicler states she was poisoned by a rival for her husband’s affections. She was either buried at Caen in Normandy, or in Rouen Cathedral, Normandy.
    Issue of marriage:
      (i)    William
    Known as ‘Clito’, he was born in 1101 at Rouen in Normandy. In the Spring of 1127, he was created Count of Flanders by right of inheritance through his grandmother Matilda of Flanders. He died on 27 July, 1128, at the Abbey of St Bertin, St Omer, France, of wounds received at the Battle of Alost, and was buried in the Abbey of St Bertin, St Omer, France.
    William married firstly, in 1123 (although no record existsas to where):
    Sybilla
    She was the daughter of Fulk V, Count of Anjou, by Aremburga, daughter of Hélias I, Count of Maine. She was born between 1112 and 1116. Her marriage to William Clito was annulled in 1124. She married secondly, Thierry of Alsace, Count of Flanders ( d .1168), in 1134, and had issue, including:
    1  Matthew I, Count of Flanders and Boulogne ( d .1173), who married Mary, daughter of King Stephen, and had issue.
    Sybilla retired in middle age to the Abbey of St Lazarus in Bethlethem, where she became a nun. She died and was buried there in 1165.
    William married secondly, in January, 1128 (although no record exists as to where):
    Joan (or Giovanna)
    She was the daughter of Ranieri, Marquess of Montferrat, by Gisla, daughter of William I, Count of Burgundy. No dates are recorded.
    (ii)     Henry
    He was born in