The Belknaps
- William W. Belknap (1829–1890), Iowa State Representative 1857-1858, U.S. Secretary of War 1869-1876. Father of Hugh R. Belknap.
- Hugh R. Belknap (1860–1901), U.S. Representative from Illinois 1895-1899. Son of William W. Belknap.
Read more about this topic: List Of United States Political Families (B)