6 on the Swedish album chart. Before ABBA. They separated with an official divorce in 1979. Linda made her debut musical appearance in 1981 aged eight, when … Daughter of Ingvar Fältskog . When I first heard about this album many years ago, my curiosity was aroused, but I was at the time put off when I learned (without actually hearing the music) that Agnetha doesn't feature much and that the main singer is her daughter Linda, who was born in 1973. Agnetha Fältskog Agnetha Fältskog artist member of Swedish Linda Ulvaeus ABBA stars sing about marriage regrets and hint they still love each ... 191 Likes, 3 Comments - @agnetha_lovers on Instagram: “Happy birthday to their daughter Linda Ulvaeus #abba #agnethafältskog #björnulvaeus #lindaulvaeus” Links. The couple divorced after nine years of marriage in 1980. Slideshow of my favourite Agnetha and Linda pictures -- she's such a great mother to her children! Heute. The reason for this was that they were celebrating Linda's 18th birthday and her mother, Agnetha, wanted to initiate her into the mysteries of the night life.