JFK's nephew RFK Jr.'s secret diary reveals sexual escapades

John F. Kennedy's nephew Robert F. Kennedy Jr.'s secret journal has revealed that he kept a count of his mistresses.

His wife, Mary Richardson, who committed suicide in 2012 due to the apparent distress caused by their imminent divorce and her hubby's serial philandering, had found the thick, red diary in their marital home, the New York Post reported.

According to the publication, the copy of the 398 pages not only contains the Robert's daily activities, political activism and the lives of his six children in the year 2001, but also includes the names of women he bedded.

In the book, each name was accompanied by numbers from 1 to 10.

Mary had told a confidant that the codes corresponded to sexual acts, with 10 meaning intercourse.

There are 37 women, including a lawyer, an environmental activist, a doctor and at least one woman married to a famous actor, mentioned in the ledger, 16 of whom get 10s.

However, Robert completely denied the existence of such a journal.