Friedrich Karl of Prussia   (a.k.a. Nikolaus)   (m)   1828-1885  
Other Royalty   1828-1885   Prussia   (prince)
Friedrich III   (a.k.a. Nikolaus)   (m)   1831-1888  
Other Royalty   1888   German Empire; Prussia   (emperor/king)
Nikolaus Otto   (m)   1832-1891  
Notable Scientists and Inventors
Albrecht of Prussia   (a.k.a. Nikolaus)   (m)   1837-1906  
Other Royalty   1837-1906   Prussia   (prince)
Eugen of Sweden   (a.k.a. Nikolaus)   (m)   1865-1947  
Other Royalty   1865-1947   Sweden   (prince)
Nikolaus Gross   (m)   1898-1945  
Saints
Nikolaus of Liechtenstein   (m)   1947-  
Other Royalty   1947-   Liechtenstein   (prince)
Niki Lauda   (m)   1949-2019  
Notable Athletes   (driving)
Maximilian of Liechtenstein   (a.k.a. Nikolaus)   (m)   1969-  
Other Royalty   1969-   Liechtenstein   (prince)
Nikolaus of Liechtenstein   (m)   2000-  
Other Royalty   2000-   Liechtenstein   (prince)