If people have more that one number it means that they travelled with somebody.
Firstname	Middlename	Surname	Age	Year of Emig	From	No.
Peder		Ullidalo	29	1880	Vardø	4171-4173
Bjørn		Ursin	53	1886	Vardø	2030-2031
Laurits	F.	Ursin	20	1881	Vardø	4738