Henry Waters Taft was an American lawyer and writer. He was the son of Alphonso and brother of President William Howard Taft. A renowned antitrust lawyer, he was a name partner at Cadwalader, Wickersham & Taft.

Alphonso Taft was an American jurist, diplomat, politician, Attorney General and Secretary of War under President Ulysses S. Grant. He was also the founder of the Taft political dynasty, and father of President and Chief Justice William Howard Taft.