Robert Kennedy Jr.‘s divorce papers reveal a new, darker side to his relationship with the late Mary Kennedy. “Mary’s violence and physical abuse toward me began before we were married,” Robert alleges in the documents, which became public this weekend.

“Soon after [she] became pregnant with our first son, Mary — in a sudden rage about my continued friendship with my ex-wife — hit me in the face with her fist,’’ Bobby added. “She was a trained boxer, and I got a shiner. … Her engagement ring crushed my tear duct, causing permanent damage. Mary asked me to lie to her family about cause of my shiner.”

And the lies didn’t stop there! Mary allegedly threatened to tell police that Robert abused her if he ever left her. She also “said she intended to kill herself unless [Robert] called off the divorce and … promised to recommit to the marriage.”

But perhaps the most shocking allegation of all is that Mary killed the family dog!

Robert Kennedy Jr.’s wife, Mary, beat him up, tried to blackmail him, killed the family dog and, finally, told a servant she needed rope for a new couch — then hanged herself with it, according to a bombshell report.

More Kennedy News:

1. Robert F. Kennedy Jr. Not Invited To Mary Kennedy NYC Memorial
2. Robert F. Kennedy, Jr. Wins Rights To Mary Kennedy’s Body Before Wake
3. Mary Kennedy Still Loved Robert Kennedy Jr, Who Was Kicking Her While She Was Down