Alexios Fabius, 37th Duke of Paphlagonia
From NSWiki
Alexios Fabius, 37th Duke of Paphlagonia, etc. (26 November 1812 – September 1893) was the son of Stefanos Fabius, 35th Duke of Paphlagonia. He was also a Diadochian baronet.
He succeeded his brother Stefanos Fabius, 36th Duke of Paphlagonia, in 1887. In his younger years he had served as a captain in the Imperial Household Guards.
Alexios died at the age of 80, unmarried and childless, and his titles passed to his brother, Adrianos Fabius