When you think about the Kennedys, you think about knowing anything and everything about them, like in previous generations.

Bettmann/Getty Images Robert F. Kennedy and his wife, Ethel, wave from the plane as they embark on a 26-day goodwill tour to Japan, Indonesia, Iran, Italy, the Netherlands and West Berlin.

He's been clean ever since, according to the New York Times. Kennedy credits 12-step programs with saving his life, attending up to nine meetings a week when he wasn't on the campaign trail.

This is part of a series on the 2024 presidential candidates. Robert F. Kennedy Jr. was born on Jan. 17, 1954, in Washington, D.C., to Sen. Robert Kennedy and Ethel Skakel Kennedy.