Possible Explanation of Variations of the Same Surname:
 

• -ov for male, -ova for female - in Russian for "belonging to" in Old Russian, used as a patronymic for peasants and serfs
• --vich, ("son of"); -vna for Ms. and Mrs. - ("daughter of") in Russian, Belarussian, and Ukranian, a patronymic of higher classes
• -wicz is the Polish equivalent of -vich, and is pronounced the same way.
• -witz is how -vich filters through Yiddish or German; the w originally pronounced like v.
• -enko is the Ukrainian equivalent of -ov and -vich
• -auskis for male, -aite for female, -ene for female are the Lithuanian equivalents of -ov and -vich