He married Anne Marie Damnæs (1886–1960) at an unknown point, with whom he had the son Finn Mortensen (1922–1983).
Adventures of Huckleberry Finn | Neil Finn | Tim Finn | Huckleberry Finn | Viggo Mortensen | William Finn | Finn Family Moomintroll | Alec Finn | One Man's Meat (Viggo Mortensen) | Jon Finn | Huckleberry Finn (character) | Finn M. W. Caspersen | Finn Bjelke | Will Finn | The New Adventures of Huckleberry Finn | Mark Finn | Jerry Finn | Jason Finn | ''Huckleberry Finn | Finn Peters | Finn Harries | Finn Geipel | Finn Eces | Finn and Gráinne | Finn | Fatty Finn (film) | Fatty Finn | Chris Mortensen | ''The Adventures of Huck Finn'' | Terry Finn |