Yes, William and Helen had three children: Robert, Helen, and Charles. Robert Alphonso Taft graduated from Yale University and Harvard Law School. He later served in the United States Senate from 1939 to 1953. His leadership in the Republican Party earned him the moniker “Mr. Republican.”

Helen Herron Taft earned her undergraduate degree from Bryn Mawr College. She married Yale history professor Frederick Johnson Manning. Helen became dean of her alma mater in 1917. She left to pursue a doctorate degree from Yale University. Afterwards, she returned to Bryn Mawr, where she served as dean for many years. After leaving the deanship, she taught history at the college until her retirement in 1957.

Charles Phelps Taft, named after William’s half-brother, earned both his undergraduate and law degrees from Yale University. He served from many years on the Cincinnati city council and also served as mayor of the city from 1955 to 1957. His moniker was “Mr. Cincinnati.”