Born in Ålesund, he was a great-grandson of a Jens Landmark (1772–1811), brother of Andreas (1769–1839) and Nils Landmark (1775–1859) and uncle of Jens Landmark (1811–1880).
National Historic Landmark | Mikal Gilmore | Norman Angell | National Natural Landmark | Mikal Blue | Landmark Cases in Family Law | Katharine Sergeant Angell White | Jacobus Henricus van 't Hoff | Jacobus Arminius | Tim Jacobus | Thomas Mikal Ford | Landmark Theatres | Landmark Legal Foundation | Landmark Cases in Equity | Landmark Bookstores | Jacobus Hendrik Pierneef | Jacobus de Teramo | Angell Hall Observatory | Wagon Mound National Historic Landmark | Truman O. Angell | Tony Angell | The Landmark London | Sign on Stetson Kennedy's residence erected consequent to the 2003 designation of Beluthahatchee as a Literary Landmark, No. 83 in the National Register. (An additional marker, in Kennedy's name, was also approved, to be erected following his demise.) | Roger Angell | Mikal Sylten | Marcia Angell | ''Liberty Enlightening the World'': the famous New York landmark, illustrated in an 1885 print by Currier and Ives | Landmark Trust | Landmark quiz | John Angell James |