Otto Olsen-Böje or Otto Olsen-Bøje

Otto Olsen-Böje born in Kristiania, Norway on December 9, 1880, emigrated to Argentine and later to Uruguay where he married Ana Marie Dorthea Knudsen born in Ribe, Denmark on April 21 1884. First son born in Montevideo, Uruguay on August 24, 1912. Found on the NHDC(Norwegian Historical Data Centre) Census year:1900-Kristiania-Municipality number:0301-Street name: Vogts Gade 30; hf Olaf Guldbransen. Therefore emigration assumed between 1900 to 1911. Only relative known: Hilsen Dorthea Olsen. last heard on December 3,1963; home address: Kingesgz 18 Leihrez 235, Oslo. Otto´s parents were Kristian and Andrine. He was my grandfather (died on August 28,1964). Please if anyone can help me on knowing more about his family and ancestors I would be very grateful.