Robert Kennedy Jr. and actress Cheryl Hines are set to get married on Saturday in Hyannis Port, Massachusetts.

The son of the late Robert F. Kennedy's cousin Patrick Kennedy revealed the upcoming wedding The Associated Press reports and said that it will be held later today at Ethel Kennedy's home.

The wedding at the Kennedy compound is expected to be attended by more than 600 guests, including the entire Kennedy clan, according to the Telegraph. Little else is known about the ceremony for the couple that have been engaged since last April.

This will be the 60-year-old Kennedy's third marriage. He was last married to Mary Richardson, who was later found to have died by suicide while the couple was in the middle of divorce proceedings in 2012.

He has six children, all set to attend the wedding, while the Emmy nominated 48-year-old actress has just one.

Hines was nominated twice for her Curb Your Enthusiasm role as Larry David's wife. Kennedy is an environmental lawyer.

image courtesy of INFphoto.com