Many of his family members were politicians:
Great-great-great grandfather, Benjamin Harrison V, signed the United States Declaration of Independence
Great-great-grandfather, William Henry Harrison, served as the 9th U.S. President
Great-grandfather, John Scott Harrison, was a member of the United States House of Representatives from Ohio (1853–1857)
Grandfather, Benjamin Harrison, served as the 23rd President.
Grandfather, Alvin Saunders, United States Senator from Nebraska.
Father, Russell Benjamin Harrison, member of the Indiana General Assembly.