Andersson was engaged to Christina Grönvall . In 1963 , they had a son , Peter Grönvall , and in 1965 , a daughter , Heléne . They split in 1966 and Christina kept custody of the children as Andersson was then at the peak of his Hep Stars ' success . In the 1990s , Peter formed One More Time , a group that enjoyed European success with the ABBA-like " Highland " and , later , as Sweden 's entry to the Eurovision Song Contest 1996
Eurovision Song Contest 1996
Eurovision Song Contest 1996
Benny Andersson