Larsine is shown on the 1860 William Tapscott ship register as Larsine (25), spinster. She is shown with Anders (29), laborer, and Christen P. (24), carpenter. Her brother Christian Peter was in this company. The Ancestral file lists her name as Lars Sine Larsen Pedersen. The History of the Scandinavian Mission states that she married Hans Christian Heiselt while on the ship William Tapscott.