Rybkin
Rybkin is a surname of Slavic origin. It is commonly found in Russia and other countries with historical connections to the Russian Empire or Soviet Union. Surnames ending in "-kin" are typically patronymic, meaning they are derived from a given name. In this case, Rybkin likely originated as a surname indicating "son of Rybka" or someone related to Rybka. "Rybka" is a diminutive form of the Slavic word "ryba," meaning "fish." Thus, the surname might have originally referred to a person associated with fishing or someone whose ancestor was nicknamed "Rybka." Variations in spelling and transliteration may exist depending on the language.