Family Relationship of

Isabella of Aragon

(1247–1271)

22nd Great-grandmother to

Thomas Hunt Morgan

Nobel Prize Winner in Physiology or Medicine

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Isabella of Aragon

Philip III, King of France

King Philip IV of France

Joan of Navarre

Isabella of France

Edward II, King of England

Edward III, King of England

John of Gaunt

Joan Beaufort

Eleanor Neville

Sir Henry Percy

Henry Percy

Eleanor Percy

Elizabeth Stafford

Sir Henry Howard

Catherine Howard

Mary Berkeley

Sir John Zouche

Elizabeth Zouche

Col. Devereux Wolseley

Anne Wolseley

Anne Knipe

Alicia Arnold

Ann Arnold Ross

John Ross Key

Anne Phebe Penn Dagworthy Charlton

Francis Scott Key

Mary Tayloe Lloyd

Elizabeth Phoebe Key

Charles Howard

Ellen Key Howard

Charlton Hunt Morgan

Thomas Hunt Morgan

Nobel Prize Winner