Larsens from Norway to New Zealand

Hi I am looking for info on Laurits Rudolf Larsen born abt 1836 in Norway, (parents Torkild & Mary) Laurits wife Anne Lovise Hansen born 1842, married abt 1871 (Annes parents Hans Christiansen & Helene Olsdr) Laurits & Annes children born in Oslo Akershus, Norway: Rudolf Henrik born 1867 Torkild born 1870 Helene Marie born 1872 Hans born 1875 I think their next child was born in Wellington New Zealand in 1879, so they travelled between 1875-79 and seem to settle in Wellington, Electoral rolls show Laurits as a Carpenter and possibly had brothers Ole and Lars. any info would be appreciated, especially when they travelled.