Family Relationship of

King Henry III

King of England

16th great-granduncle to

C. W. Post

Founder of Post Cereals

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John, King of England

with wife

Isabelle of Angoulême

not married

- - - - - - De Warenne

King Henry III

King of England

Sir Richard FitzRoy

Rose de Dover

Isabel de Dover

Sir Maurice de Berkeley

Sir Thomas de Berkeley

Joan de Ferrers

Sir Maurice de Berkeley

Eve la Zouche

Thomas de Berkeley

Katherine de Clyvedon

Sir John Berkeley

Elizabeth Betteshorne

Elizabeth Berkeley

Sir John Sutton

Jane Sutton

Thomas Mainwaring

Cecily Mainwaring

John Cotton

Sir George Cotton

Richard Cotton

Frances Cotton

Robert Abell

Joshua Abell

Elizabeth Abell

Azel Lathrop

Erastus Lathrop

Caroline Cushman Lathrop

Charles Rollin Post

C. W. Post

Founder of Post Cereals