Ruthenian noble families

royal family of Grand Duchy of Lithuania

Polish noble family

The House of Mstislavsky (, ; , ) was a Russian princely family () of Gediminid origin who prior to their move to Russia ruled the Principality of Mstislavl. In the following, the Mstislavsky family produced some notable military commanders such as Ivan Mstislavsky who fought in the Livonian War. His son, Fedor Mstislavsky was one of the Russian magnates during the Time of Troubles and the leader of the Seven Boyars who temporarily ruled the country.

thumb|220px|alt=Red, white and gold coat of arms with a dog|Korczak coat of arms The Krupski family (, , , , ) is a Polish noble family. It is also a common surname in modern Poland.

noble family

right|thumb|250px |Coat of Arms of the Princes Sviatopolk-Mirsky right|thumb|250px|Nikolai Sviatopolk-Mirsky and his descendants used a variation of the [[Białynia coat of arms]] The House of Sviatopolk-Mirsky (, , , also transliterated using Swiatopolk or Mirskii) is a family of nobility in the Grand Duchy of Lithuania, Russian Empire, and Poland that originated from present-day northwestern Belarus.

Polish princely family of Ruthenian origin