Family Relationship of

Blanche of Artois

(1248–1302)

18th Great-grandmother to

William Rufus Day

36th U.S. Secretary of State

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Blanche of Artois

Edmund Plantagenet

Henry Plantagenet

Maud de Chaworth

Joan of Lancaster

John de Mowbray

Joan de Mowbray

Maud Grey

Anne Ogle

Elizabeth Heron

Elizabeth Heron

Maud Talboys

Katharine Tyrwhit

Sir Richard Thimbleby

Elizabeth Thimbleby

Richard Welby

Olive Welby

Olive Farwell

Edward Spalding

Ebenezer Spalding

Mary Fassett

Dr. Rufus Spalding

Lydia Paine

Rufus Paine Spalding

Lucretia A. Swift

Emily Swift Spalding

Luther Day

William Rufus Day

36th U.S. Secretary of State