Otto Jonas Lindblad (31 March 1809 – 26 January 1864), was a Swedish composer. He is most famous for the musical score of Kungssången, the Swedish royal anthem. Otto Lindblad was the son of a clergyman. He was born in Karlstorp and attended gymnasium in Växjö. In 1829 he began academic studies at the University of Lund. In Lund, he formed a group with A. E. Christernin and J. Meurling, together with whom he played and sang a type of three part music pieces. The group became known as the "musical trefoil band". In 1836 he ended his studies and fully devoted his time to music.
https://en.wikipedia.org/wiki/Otto_Lindblad