Il est marié avec Blanche 'Sibilla' de Tregoz.
Ils se sont mariés en l'an 1286 à Donyatt, Somerset, England, il avait 26 ans.
Enfant(s):
William de Grandison, 1st Baron Grandison | |||||||||||||||||||||||||||||||||||||||
1286 | |||||||||||||||||||||||||||||||||||||||
Blanche 'Sibilla' de Tregoz |
William de Grandison<br>Gender: Male<br>Alias name: William, The Burgundian Knight, 1st Baron Grandison (02/06/1299)<br>Birth: Circa 1262 - Cassington, Oxfordshire, England<br>Occupation: Knight, 1st Baron Grandson Switzerland, First Lord Grandison, Engaged in battles in Gascony and Scotland.<br>Marriage: Spouse: Blanche 'Sibilla' de Tregoz, of Switzerland - 1285 - England<br>Death: June 27 1335 - Lambourn, Hungerford, Berkshire, England<br>Burial: Dore Abbey, Sussex, England<br>Father: Amadeus de Grandison<br>Mother: Banoile Grandison (born Gerenstein)<br>Wife: Blanche 'Sibilla' de Tregoz, of Switzerland<br>Children: Agnes Bardolph (born de Grandison), John de Grandison (born de Grandeson), Mabilia de Paleshull (born de Grandison), Catherine de Montagu (born de Grandison), Countess of Salisbury, Otho de Grandison, Piers Grandison