Tuhia he haere tonu mo tenei pene - I whanau a Seamonson i te taha o Skien, Norway, i te Hui-tanguru 9, 1840 ka heke ki te United States i te wa e tamariki ana i te 1842. I noho tuatahi te whanau ki Muskegon, Michigan ka neke ki Pleasant Springs, Wisconsin i te 1844. I te Pakanga Taketake o Amerika, i mahi ia me te 23rd Wisconsin Volunteer Infantry Regiment o te Union Army, i eke ki te taumata o te kaitiaki. Ko nga pakanga i uru atu ai ia ko te Pakanga o Chickasaw Bayou, te Pakanga o Arkansas Post, te Pakanga o Grand Gulf
, te Pakanga o Champion Hill, te Siege o Vicksburg, te Jackson Expedition, te Pakanga o Bayou Bourbeux, te Pakanga o Mansfield, te Pakanga o Pleasant Hill, te Pakanga o Spanish Fort me te Pakanga o Fort Blakely. I muri mai, he pāmu a Seamonson i Pleasant Springs.