Background
Schweigaard was born in Kragerø as the oldest son and second child of merchant Jørgen Fredrich Schweigaard (1771–1818) and his wife Johanne Marie Dahll (1785–1818).
Schweigaard was born in Kragerø as the oldest son and second child of merchant Jørgen Fredrich Schweigaard (1771–1818) and his wife Johanne Marie Dahll (1785–1818).
Tellef Dahll Schweigaard worked as a wholesaler and timber merchant. He was elected to the Norwegian Parliament from Kragerø in 1880, and served one term. He had been mayor of Kragerø during the 1840s.
He died in 1886 in his hometown.