Kirillovich
Kirillovich is a common Russian patronymic, derived from the given name Kirill. In Russian naming conventions, a patronymic is a middle name that indicates the father's first name. Therefore, Kirillovich literally means "son of Kirill." This patronymic is used by individuals whose father's name is Kirill. It is a fundamental part of Russian personal identification and is frequently used in formal contexts, such as official documents, and in informal address when a degree of respect is intended. The feminine form of the patronymic is Kirillovna, meaning "daughter of Kirill." The practice of using patronymics is deeply ingrained in Russian culture and reflects historical lineage and familial connection. While its usage is most prominent in Russia, it is also found in other Slavic countries with similar naming traditions.