He and his wife Mona were marriage witnesses when Tommy Körberg was secretly married to Ann-Charlotte Nilsson in a church in Trosa on 14 June 2007.

Has two sons, Ludvig Andersson and Peter Grönvall. Both Ludvig and Peter work in the music business.

He and his wife Mona were marriage witnesses when Tommy Körberg was secretly married to Ann-Charlotte Nilsson in a church in Trosa on 14 June 2007.

Benny Andersson has a fortune worth at least US$ 130 million.

Was nominated with collaborators Björn Ulvaeus and Martin Koch for Broadway`s 2002 Tony Award for Best Orchestrations for "Mamma Mia!"

In 1998 he was awarded Sweden`s Royal Order of the Seraphim by Konung Carl XVI Gustaf

The name ABBA was comprised of the first letters of the first names of the group`s members: Agnetha Fältskog, Björn Ulvaeus, Benny Andersson, and Anni-Frid Lyngstad.

He was nominated for a Laurence Olivier Theatre Award in 2000 (1999 season) for Best New Musical for Mamma Mia based on the music of Abba.

Son Ludvig Andersson with Mona Nörklit and son Peter Grönvall and daughter Helena Grönvall with former girlfriend Christina Grönvall.

6th April 1974: As a member of ABBA he won the Eurovision Song Contest in Brighton, England, in 1974 with the song "Waterloo".

In 2002 he was appointed Professor by the Swedish government.

Married twice