- Siblings
- Heinrich Friedrich Simmern, (Count Palatine) - of
- Charles Louis (?)
- Rupert (?)
- Elisabeth Simmern, (Countess Palatine) - of
- Moritz Simmern, (Count Palatine) - of
- Luise Hollandine Simmern, (Countess Palatine) - of
- Ludwig Simmern, (Count Palatine) - of
- Eduard Palatine, (Prince) - of
- Henriette Marie Simmern, (Countess Palatine) - of
- Philipp Simmern, (Count Palatine) - of
- Charlotte Countess Palatine - of Simmern
- Gustav Simmern, (Count Palatine) - of
- Partners & Children
- Ernst Augustus I Brunswick, (Prince) - of