Around the globe, Castell-Rüdenhausen (Castell-Rüdenhausen 
) is an extremely rare unknown gender first name. Much more prevalently, Castell-Rüdenhausen is the last name as well as the forename. Parts of the name also exists independently as a last name Castell.
| VARIANT | COUNTRY |
|---|---|
| Castell-Rüdenhausen | Germany |
| hesso fridrich graf zu castell-rüdenhausen (born 1940) (b. 1940) |
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| manto friedrich graf zu castell-rüdenhausen (born 1949) (b. 1949) |
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| ruprecht zu castell-rüdenhausen DE (b. 1940) |
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