Isabel De Beaumont, of the House of Brienne Beaumont
Birth date:
1320
Birth place:
Le Quesnoy, Nord, Nord-Pas-De-Calais, France
 
Death date:
  1361
Death place:
  Windsor, Berkshire, , England

Beaumont Family

Parents:
Father: John Devereux
Mother:
Spouse:
Spouse: Henry of Grosmont, 1st Duke of Lancaster Plantgenet
 
Siblings:
Eleanor De Beaumont
D'evereux
Margaret DeLovaine
Joan D'evereux
Margaret De Lovaine
Margeret De Lovaine
William Devereaux
Maraget Lovain
Joan De Evereaux
Margaret De Loveyne
Joan Devereux
Margaret De Louvaine
Margaret De Louvayne
William D'Evereaux
William De Vereux
William Devereaux
John Beaumont
Beatrice Beaumont
Joan Devereux
Isabel De Beaumont, of the House of Brienne Beaumont
Children:
Maud Plantagenet Duchess of Bavaria
Matilda Plantagenet
Blance of Lancaster, Countess of Derby Plantgenet
Blanche Plantagenet