Solms-Rödelheim-Assenheim was a County of southern Hesse and eastern Rhineland-Palatinate, Germany. The House of Solms[1] had its origins at Solms, Hesse.
Solms-Rödelheim-Assenheim was thrice created by a union of the Counts of Solms-Assenheim and Solms-Rödelheim, and on the first two occasions repartitioned into those statelets. Solms-Rödelheim-Assenheim was mediatised to Hesse-Kassel (or Hesse-Cassel) and Hesse-Darmstadt in 1806.
Counts of Solms-Rödelheim-Assenheim
First creation: 1635–1699[2][better source needed]
Johann August, Count 1635–1680 (1623-1680), second son of Johann Georg II, Count of Solms-Baruth
Johann Karl Eberhard, Count 1680–1699 (1657-1699), eldest surviving son
Second creation: 1722–28
Ludwig Heinrich, Count 1722-1728 (1667-1728), third surviving son of Johann August, inherited Assenheim 1699, Rödelheim 1722
Third creation: 1778–1806
Johann Ernst Karl, Count 1778–90 (1714-1790), second surviving son of Ludwig Heinrich, inherited elder brother's territories 1778
Volrath Franz Karl Ludwig, Count 1790–1818 (1762-1818), mediatized 1806
After Mediatization
Volrath Franz Karl Ludwig, Count 1790–1818 (1762-1818), mediatized 1806
Karl, Count 1818-1844 (1790-1844)
Maximilian, Count 1844-1892 (1826-1892)
Karl Franz, Count 1892-1923 (1864-1923)
Maximilian, Count 1923-1968 (1893-1968)
Markwart, Count 1968-1976 (1925-1976), adopted Nikolaus as his successor
Count Joachim Ernst of Solms-Rödelheim-Assenheim (1896-1978)
Count Günther Wolfgang of Solms-Rödelheim-Assenheim (1931-1979)