[1] He was the son of nurse Britta (née Lindstedt; 1908–1997) and professor and dentist Nils Berghagen (né Nilsson; 1909–1995).

From 1976 onwards, he was married to Eva (née Strand), and the couple had a daughter, Maria Berghagen Enander, born in 1976.

[6] Other notable songs include "En enkel sång om frihet", "Hålligång i skogen" and "Du som vandrar genom livet".

The show increased in popularity during his time as a presenter, going from 600 thousand viewers to over two million during his run.

[3] He had earlier worked with SVT, hosting the shows Strapetz (1971), Positiva Klubben (1984) and Tjocka släkten (1991).

[14] Berghagen also acted in films like Firmafesten (1972), Dante, akta're för Hajen (1978) and Bert – den siste oskulden (1995).

[10] He was also given the Kristallen award for his participation in Så mycket bättre, alongside his fellow cast members.

His father was born in Östersund and his mother in Svärdsjö,[18] where the family owned a farm for many years.