Bjorn Ulvaeus of ABBA On 6 July 1971, Ulvaeus married Agnetha Fältskog; the marriage resulted in two children: Linda Elin Ulvaeus (born 23 February 1973), and Peter Christian Ulvaeus (born 4 December 1977). The couple decided to separate in early 1979, and their divorce was finalised in July 1980. Ulvaeus then married music journalist Lena Källersjö on 6 January 1981. This marriage produced two daughters: Emma Eleonora (born 3 January 1982) and Anna Linnea (born 29 April 1986).
Ulvaeus and Källersjö currently live in Djursholm, an area of Stockholm. From 1984 to 1990 they lived in the United Kingdom, where Ulvaeus founded an IT business with his brother.
He is also one of four people (including Per Gessle) who own NoteHeads, a Swedish company which publishes the music notation program Igor Engraver.[8]
Ulvaeus is a member of the International Humanist and Ethical Union's Swedish member organisation Humanisterna, and was awarded their annual prize, Hedenius-priset,