Family Relationship of

Lionel of Antwerp

(1338–1368)

19th Great-grandfather to

Sandra Day O'Connor

First Female U.S. Supreme Court Justice

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Lionel of Antwerp

Elizabeth de Burgh

Philippa Plantagenet

Edmund Mortimer

Elizabeth Mortimer

Elizabeth Percy

Thomas Clifford

John Clifford

Henry Clifford

Elizabeth Clifford

Sir Ralph Bowes

Margery Bowes

Sir Ralph Eure

Anne Eure

Lancelot Mansfield

John Mansfield

Elizabeth - - - - - -

Elizabeth Mansfield

Rev. John Wilson

Mary Wilson

Rev. Samuel Danforth

Rev. Samuel Danforth

Mary Danforth

Jacob Barney

Silence Barney

Lettice Carlyle Cobb

Hollis Day

Henry Clay Day

Henry R. Day

Sandra Day O'Connor

U.S. Supreme Court Justice