ŚwiętosławskimPolish Patronymic from given name Świętosław suffixed with -ski based on habitational names. It could also be a habitational name for a person from villages called Świętosław or similar.
SylgytovmYakut From Yakut сылгы (sylgy), meaning "horse".
TatarovmRussian From Russian татарин (tatarin) meaning "Tatar person". Tatars are an umbrella term for different Turkic ethnic groups across Eastern Europe and Asia.
TrávníčekmSlovak From Slovak trávnik, meaning "yard, lawn, grass", likely denoting to a yard worker. Ultimately from Slovak tráva "grass", Old Slavic *трѣва (*trěva) "grass".
VernikovmRussian From Russian верник (vernik), meaning "believer", usually in the context of religion due to the term вера (vera) "faith, belief, trust" which is often associated with religion.