GrigoryevskiymRussian From location called Grigoryev (Григорьев) or something similar such as Grigoryevo (Григорьево), Grigoryevka (Григорьевка) ultimately from given name Grigoriy.
HetmanUkrainian, Polish, Jewish (Ashkenazi) From a political title generally given to a military commander in Central and Eastern Europe, comparable to a field marshal, the term is probably ultimately derived from Middle High German heuptman "commander"... [more]
HrybovmRussian (Ukrainianized) Ukrainianised form of Gribov. Roman Hrybov was the author of the Ukrainian Russian-language phrase «Русский военный корабль, иди нах..й» (Russian warship, go f..ck yourself).