Castell-Castell
Castell-Castell was a county in the Holy Roman Empire, ruled by a branch of the Counts of Castell. It was established as a partition of Castell-Remlingen in 1668, and it was partitioned between itself and Castell in 1709. It annexed the County of Castell in 1772, and was mediatised to Bavaria in 1806.- Wolfgang Theodoric
- Augustus Francis Frederick reigned mutually with
- Charles Frederick Gottlieb and
- Wolfgang George II and
- Christian Frederick Charles
- Albert Frederick Charles mutually with
- Christian Frederick
(Mediatized) Counts of Castell-Castell
- Friedrich Ludwig
- Carl
- Friedrich Carl
(Mediatized) Princes of Castell-Castell
- Friedrich Carl, Count 1886–1901, 1st Prince 1901-1923, wed 1895 Countess Gertrud of Stolberg-Wernigerode
- * Carl, 2nd Prince 1923-1945, wed Princess Anna-Agnes of Solms-Hohensolms-Lich
- ** Albrecht, 3rd Prince 1945-2016, m. Marie Luise, princess of Waldeck and Pyrmont
- *** Ferdinand, 4th Prince 2016–present, wed Countess Marie-Gabrielle von Degenfeld-Schonburg
- **** Carl, Hereditary Count of Castell-Castell
- **** Count Johannes