Family Relationship of

Roger le Bigod

Magna Carta Surety

Holy Roman Emperor

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Roger le Bigod

Ida de Tony

Hugh le Bigod

Maud Marshal

Isabel le Bigod

Sir John FitzGeoffrey

Maud FitzJohn

William de Beauchamp

Isabella de Beauchamp

Sir Patrick de Chaworth

Maud de Chaworth

Henry Plantagenet

Henry of Lancaster

Isabella de Beaumont

Blanche of Lancaster

John of Gaunt

Philippa of Lancaster

John I, King of Portugal

Isabella of Portugal

Philip of Burgundy

Charles of Burgundy

Isabella of Bourbon

Mary of Burgundy

Maximilian I, Holy Roman Emperor

Philip I, King of Castile

Joanna of Castile

Charles V

Holy Roman Emperor