George Soros, the 83-year-oldbnaire investor, philanthropist and supporter of liberal political causes, married for a third time on Saturday, tying the knot with education consultant Tamiko Bolton.

Soros and Bolton, 42, exchanged vows in a small ceremony at his Bedford, New York, estate, which Soros bought in 2003 from Jurassic Park author Michael Crichton. Federal judge Kimba Wood officiated at the non-denominational wedding, which was attended by members of the couple’s families, including the groom’s five children, a source familiar with the wedding told Reuters.

For Soros, whose net worth is $20bn according to Forbes, it was his third marriage. It was Bolton’s second.

Soros put a Graff wedding band on Bolton’s finger during the half-hour ceremony, according to the source.

The exchange of vows was followed by a reception with more than 500 guests at the Caramoor Center for Music and the Arts, a Westchester County complex known for its Italian Renaissance-inspired buildings and lush gardens.