| State | Ruler | Born | Acceded | ||
| German Empire (Prussia) | Emperor (King) Wilhelm II | 27 Jan | 1859 | 15 Jun | 1888 |
| Württemberg | King Wilhelm II | 25 Feb | 1848 | 6 Oct | 1891 |
| Hesse | Grand Duke Ernst Ludwig | 25 Nov | 1868 | 13 Mar | 1892 |
| Waldeck & Pyrmont | Prince Friedrich | 20 Jan | 1865 | 12 May | 1893 |
| Mecklenburg-Schwerin | Grand Duke Friedrich Franz IV | 9 Apr | 1882 | 10 Apr | 1897 |
| Oldenburg | Grand Duke Friedrich August II | 16 Nov | 1852 | 13 Jun | 1900 |
| Saxe-Coburg & Gotha | Duke Carl Eduard | 19 Jul | 1884 | 30 Jul | 1900 |
| Saxe-Weimar-Eisenach | Grand Duke Wilhelm Ernst | 10 Jun | 1876 | 5 Jan | 1901 |
| Reuss (Senior Line) | Prince Heinrich XXIV | 20 Mar | 1878 | 19 Apr | 1902 |
| Anhalt | Duke Friedrich II | 19 Aug | 1856 | 24 Jan | 1904 |
| Saxony | King Friedrich August III | 25 May | 1865 | 15 Oct | 1904 |
| Lippe | Prince Leopold IV | 30 May | 1871 | 13 Jan | 1905 |
| Baden | Grand Duke Friedrich II | 9 Jul | 1857 | 28 Sep | 1907 |
| Saxe-Altenburg | Duke Ernst II | 31 Aug | 1871 | 7 Feb | 1908 |
| Schwarzburg | Prince Günther | 21 Aug | 1852 | 28 Mar | 1909 |
| Schaumburg-Lippe | Prince Adolf II | 23 Feb | 1883 | 29 Apr | 1911 |
| Reuss (Junior Line) | Prince Heinrich XXVII | 10 Nov | 1858 | 29 Mar | 1913 |
| Brunswick | Duke Ernst August (III) | 17 Nov | 1887 | 2 Nov | 1913 |
| Bavaria | King Ludwig III | 7 Jan | 1845 | 5 Nov | 1913 |
| Mecklenburg-Strelitz | Grand Duke Adolf Friedrich VI | 17 Jun | 1882 | 11 Jun | 1914 |
| Saxe-Meiningen | Duke Bernhard III | 1 Apr | 1851 | 25 Jun | 1914 |
