Princess Diana's brother marries for third time

Earl Charles Spencer and Karen Gordon arrive to attend the royal wedding of Prince William to Catherine Middleton at Westminster Abbey on April 29, 2011 in London. Photo by Jasper Juinen-WPA Pool/Getty Images

(CBS) Princess Diana's brother, the ninth Earl Spencer, married a 38-year-old Canadian divorcee and former model Saturday at Althrop, the Spencer family ancestral home. It is his third marriage and her second.

The Earl, 47, and Karen Gordon, 38, exchanged vows at a private civil ceremony attended by 170 family members and friends.

Pictures: Princess Diana
Special Section: The Royal Wedding

According to a report in The Telegraph, neither Prince William, who was a page at the Earl's first wedding, nor Prince Harry, attended the ceremony. The Earl and his fiancee were among the guests in Westminster Abbey April 20 when Prince William married the former Kate Middleton.

The marriage was followed by a lunch reception, also at the family estate, where Princess Diana is buried. The Earl's other sisters, Lady Sarah McCorquodale and Lady Jane Fellowes, were among the guests.

The bride, who founded Whole Child International, a charity for orphans, wore a sleeveless ivory lace dress. She has two daughters, ages 12 and 10, from her marriage to Mark Gordon, a "Grey's Anatomy" producer.

The Earl has six children by two former wives, Caroline Freud and model Victoria Lockwood. Both marriages ended in bitter divorces battles. Spemcer became engaged to Bianca, Lady Eliot, in the spring of 2010 but the engagement was called off just before the fall wedding.