Jacob Roll Knagenhjelm (1858 – 1932) was the Lord Chamberlain of King Haakon VII of Norway from 1925 to 1931 and a member of the Norwegian nobility. (en)
Jacob Roll Knagenhjelm (1858 – 1932) was the Lord Chamberlain of King Haakon VII of Norway from 1925 to 1931 and a member of the Norwegian nobility. (en)