Ruthenian Voivodeship
Jerzy Jazłowiecki (1510–1575) was a Polish nobleman (szlachcic) and magnate. Great Crown Hetman 1569–1575, Field Crown Hetman in 1569. Jerzy was voivode of the Podole Voivodeship since 1567, of the Ruthenian Voivodeship since 1569, and castellan of Kamieniec Podolski since 1564 as well.