His surname is sometimes spelled "Miller." Brother of Karen Camilla Moller and Sophia Christina Moller. The three of them crossed the Atlantic on the ship Manhatten in 1867. A newspaper obituary for Sophia Christina Moller Nelson published in the Manti Messenger, 4 July 1913, says that Sophia, Kamilla (Karen Camilla) and Rasmus also crossed the plains in 1867. They are placed in the Rice Company by Karen Camilla's journal.