Parents and Siblings of Maren Hansen

Looking for some help tracking down family (siblings and parents, not husband and children) of Maren Hansen, born in Bergen in 1831. Her birth record from 2/8/1831 is here: (Bergen - Korskirken - 1823-1835 Ministerialbok- page 253 - #16). It lists parents of Hans Henrich Clausen and Maren Helene Lambertsdatter, and mentions the number 150, which I have tried to find what that is referring to and cannot. There are multiple references to Hansen relatives here in Minnesota, and I am certain they come from this branch of the family, but I cannot track down her siblings. I tried paging through the births in Korskirken looking for the same parents, but came up empty. There is also knowledge of some German in this part of the family, which makes sense coming from Bergen.