Family Relationship of

James I, King of Aragon

(1207–1276)

20th Great-grandfather to

John D. Rockefeller

Founder of the Standard Oil Company

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James I, King of Aragon

Yolanda of Hungary

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

Philippa of Hainault

John of Gaunt

Katherine Roet

Sir John Beaufort

Edmund Beaufort

Eleanor Beaufort

Margaret Spencer

Sir William Carey

Catherine Carey

Anne Knollys

Elizabeth West

Elizabeth Pelham

Anne Humphrey

Susannah Palmes

Humphrey Avery

Solomon Avery

Miles Avery

Lucy Avery

Godfrey Lewis Rockefeller

William Avery Rockefeller

Eliza Davison

John D. Rockefeller

Founder of the Standard Oil Company