Family Relationship of

Lee de Forest

Pioneer of Radio and Talking Pictures

[What does "times removed" mean?]

Founder of Enoch Pratt Free Library

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Richard Warren

Nathaniel Warren

Mary Warren

Alice Warren

Rebecca Bartlett

Abigail Gibbs

William Harlow

Rowland Swift

William Harlow

Barzillai Swift

Lydia Harlow

George Swift

William Pratt

Cynthia Storrs Swift

Lee de Forest

Isaac Pratt

Naomi Keith

Henry Swift de Forest

Anna Margaret Robbins

Enoch Pratt

Founder, Pratt Free Library

Lee de Forest

Inventor