Warren G. Harding & Nan Britton

Harding’s first love was Nan Britton just before he became the president. Nan claims he actually fathered her illegitimate child. Following Harding’s death, Nan wrote what is called the first kiss-and-tell book, and detailed their sexual encounters.

Thomas Jefferson & Sally Hemings

Perhaps the biggest affair in the history of all presidents. Jefferson started sleeping with his slave-servant Sally and they ended up having six children together. Deniers continued to refuse the affair occurred, but DNA testing in 1998 that linked descendants from the pair made their affair indisputable.