Princess Strelna (then Princess Romanov-Strelna) Princes Sumbatov (Sumbatashvili) (2 kinds) Princes Svyatopolk-Chetvertinsky (Lithuanian princely family; disputed descent: Rurikid and Gediminid) Princes Sviatopolk-Mirsky (Svyatopolk-Mirsky, Swiatopolk-Mirsky, descent from Rurik; disputed by some few genealogists) T Princes Taktakovy (Taktakishvili) Princes Tarhanova-Mouravovy (Tarhan-Mouravi) (2 branch of the family) (Georgian appanage princes) Princes Tarkovsky (with the rights of primogeniture) Princes Tatevs (extinct; Rurikids; a branch of Princes Ryapolovsky (a branch of the Princes of Starodub) Princes Tatishchev (non-titled descendants of Smolensk Rurikids) Princes Tavgiridze Princes Telyatevsky (extinct; Rurikids, descendants of the House of Tver) Princes Tyomkin-Rostovsky (extinct; Rurikids, a branch of the princes of Rostov) Princes Tenishevo (2 type) (Tatar; Meschera Mirzas and Nogai Mirzas) Princes Torussky (Rurikids; ruler of the Principality of Tarusa; paternal to princes Koninsky, Spazhski, Myshetsky, Obolensky, and Mezetsky) Princes Travin (non-titled branch of Smolensk Rurikids; descended from boyar Semyon Ivanovich Trava, whose offspring were ranked as boyar scions) Princes Trankovsky Princes Trubetskoy (Gediminids) Princes Tsereteli Princes Tsitsishvili (Tsitsianov) (4 kinds) (Georgian high nobility) Princes Tsulukidze Princes Tumanishvili (Tumanov) (3 kinds) (Georgian appanage princes) Princes Tumanova-Levashev Princes Turkestanovy (Turkistanovy Turkistanishvili) (Georgian nobility) Princes of Turov-Pinsk (historical Rurikid rulers of the Turov-Pinsk principality) Princes Tusievy (Tusishvili) (Georgian nobility) Princes Tyufyakiny (an extinct branch of the Obolensky family) U Princes of Uglich (historical Rurikids, rulers of the Uglich principality) Princes Ukhtomsky (Rurikids, a branch of Princes Belozersky) Princes Urusov (Tatar; descendants of the Nogai warlord Edygei; related to the Yusupovs)) Princes Urman (of Norwegian descent) V Princes Vachnadze (3 kinds) Princes Vadbolsky (Rurikids, a branch of Princes Belozersky) Princes Vakhvahovy (Vakhvakhishvili) (2 kinds) (Georgian nobility) Princes Vasilchikov (a branch of the Durnovo family, raised to the Moscow court through a relation to the Tolstoys; General and favorite of Nikolay I, Illarion Vasilchikov, received the title of prince in 1836) Princes Vizirovy (Vezirishvili) (Georgian titular princes of Iranian descent) Princes Volkonsky (Rurikids; a branch of the Princes of Tarusa) Princes Voloshin Princes Vorontsov (in 1845 Michael Vorontsov received the title of 'serene prince') Princes Vorontsov, counts Shuvalov (2 branches) (the son of Prince Michael Vorontsov, Semyon, died childless; in 1882 his maternal relation count Pavel Shuvalov was allowed using the title and arms of Princes Vorontsov) Princes Vorotynsky (extinct Rurikids; a branch of the House of Novosil) Princes Vyazemsky (Smolensk Rurikids) W Princes of Warsaw, count Paskevich-Erivanski (descendants of Ivan Paskevich of Ukrainian Cossack origins; in 1831 he was raised to titular 'serene' princes)