A frequent and accomplished guest on the game show "Password" (1961), Lawford was the all-time champion at the "lightning round", prompting 10 out of 10 correct guesses in only 12 seconds.

With Patricia Kennedy, 4 children: Christopher Lawford (b. 1955), Sydney Maleia Kennedy Lawford (b. 1956), Victoria Francis Lawford (b. 1958), and Robin Elizabeth Lawford (b. 1961). Heather Lyn Lawford(b.1962)

Romantically linked with actresses Lana Turner, Ava Gardner, Dorothy Dandridge, June Allyson, Lee Remick, Kim Novak, Judy Holliday, Evelyn Keyes, and socialites Sharman Douglas and Melissa Weston.

Became U.S. Citizen in 1960.

Dated actress Dorothy Dandridge.

Cousin of Betty Lawford.

Father of actor Christopher Lawford.

The producers of What Ever Happened to Baby Jane? (1962) originally wanted him to play Edwin Flagg. The role would eventually go to Victor Buono.

Since he spent his early childhood in France, he spoke French before he spoke English. Later, he struggled to learn English.

Biography in: "The Scribner Encyclopedia of American Lives". Volume One, 1981-1985, pages 488-489. New York: Charles Scribner's Sons, 1998.

Former son-in-law of Dan Rowan.

Nephew of Ernest Lawford.

His ex-wife Patricia Kennedy died on 17th September 2006 from complications from pneumonia at the age of 82.

Brother-in-law of John F. Kennedy.

Was the first member of the Rat Pack to pass away. As of 2005, Joey Bishop is the only surviving member.

Son of actor Sidney Lawford.

Is portrayed by Angus Macfadyen in The Rat Pack (1998) (TV) and by Ian Buchanan in Marilyn & Bobby: Her Final Affair (1993) (TV).

Met his third wife Mary Rowan (daughter of Dan Rowan) in December 1970 while he was appearing on her father's TV show "Rowan & Martin's Laugh-In" (1968).

Member of the "Rat Pack", with Dean Martin, Frank Sinatra, Sammy Davis Jr., and Joey Bishop. Appeared together in Ocean's Eleven (1960) and Sergeants 3 (1962).

His production company, Chrislaw, was named after his son Christopher Lawford.

His mother`s childhood nickname for him was Pierrot.

Never obtained a formal education; educated through tutors.

Ashes scattered in the Pacific Ocean.

In his 20s, he worked at a country club. A prestigious member of the club once complained to the management that Lawford was eating lunch and fraternizing with the black employees, and that he should be fired. This member was Joseph P. Kennedy, who years later became his father-in-law!

When he was child he fell through a French door and cut his right arm very badly; consequently, he never regained full use of his right arm and hand. Thus, he was turned down as unfit for military duty and did not serve during World War II.

Never obtained a formal education; educated through tutors.

He and the other members of the Rat Pack were banned from Marilyn Monroe`s funeral by Joe DiMaggio.

Largely due to political reasons, he and former friend Frank Sinatra were estranged after the mid-1960s. In fact, when Lawford came to attend a Sinatra performance at Caeser`s Palace in Las Vegas some years later, Sinatra reportedly found out about it and refused to go on until after Lawford had left.

Was the first member of the Rat Pack to pass away.

Fluent in English, French, Spanish, and Italian.

He was a year old before his parents were married. His parents were married to other people when he was conceived (he was given his mother`s husband`s surname Aylen on his birth certificate). He did not learn of his illegitimacy until he was 27 years old.

His mother`s childhood nickname for him was Pierrot.

Uncle of Maria Shriver.