Lars Pedersen was born in 1961, in Oslo, Norway. His father, Tore Pedersen, was a Norwegian musical composer. At an early age, the younger Pedersen performed with his four older sisters and older brother; they were often compared to the Jackson 5 and The Partridge Family, popular bands of the time.
His wife, Karen Larsdatter, eldest of six brothers and sisters, was the child of Lars Pedersen and Birgitte Nielsdatter. She was born in Torplille in October of 1751, making her eight years younger than her husband Jørgen.