John Adams knew Abigail Smith as a youngster, but she was nine years younger.

Theodore Roosevelt and Edith Carrow played together as youngsters, went to dancing school together, and were very close friends. But Edith had to wait for her childhood love as Theodore first married Alice Lee, who died after giving birth to Alice Roosevelt.

Harry Truman first saw "those golden curls and beautiful blue eyes" of Bess Wallace when they were in Sunday school together. Rosalynn Smith was Jimmy Carter's younger sister Ruth's friend.