Tuhia tētahi tohutoro mō tēnei wāhanga - I whānau a Erlandson i te tau 1790 ki Copenhagen, Denmark. I mahi ia rāua ko tōna pāpā hei kaihoahoa i ngā whare waka o Copenhagen, ahakoa te āhua o te tōrangapū o Denmark, i whakaekehia e te United Kingdom i te Pakanga Tuarua o Copenhagen i te tau 1807, i te tīmatanga o te Gunboat Wars.
me ngā Pakanga o Ingarangi-Rūhia. I te marama o Tihema 1813, i waenga i te Pakanga o te Ono o nga Kaitono, i hopukina a Erlandson e te Royal Navy i te 23 o ona tau i a ia e mahi ana hei kaipuke i Kattegat. I puritia ia i roto i tētahi kaipuke herehere i Chatham, Kent. I mutu nga pakanga i waenganui i Ingarangi me Denmark i te tau e whai ake nei, a ka utua e te Kamupene o te Moana o Hudson a Erlandson me etahi atu Scandinavians ki te mahi i te raki me te hauauru o Canada.