Olaf M Amundsen - Born April 29, 1883

Hello, I'd like to know if anyone has information on my great grandfather ... Olaf Amundsen, born April 29th, 1883 Parents are Olaf Amundsen and Marn Olsen He immigrated to the US at the age of 11, through Ellis Island on June 8th, 1893 He traveled on the ship named Thingvalla and port of departure was Christiania Can reply by the post,