[PAR] [TLE] Sigismund I the Old [SEP] Sigismund I of Poland (Polish: "Zygmunt I Stary" , Lithuanian: "Žygimantas I Senasis" ; 1 January 1467 – 1 April 1548), of the Jagiellon dynasty, reigned as King of Poland and also as the Grand Duke of Lithuania from 1506 until 1548.  Earlier, Sigismund had been invested as Duke of Silesia.  A successful monarch and a great patron of arts, he established Polish suzerainty over Ducal Prussia (East Prussia) and incorporated the duchy of Mazovia into the Polish state, securing the nation's wealth, culture and power. [PAR] [TLE] Marcin Kromer [SEP] Marcin Kromer (Latin: "Martinus Cromerus"; 11 November 1512 – 23 March 1589) was Prince-Bishop of Warmia (Ermland), a Polish cartographer, diplomat and historian in the Kingdom of Poland and later in the Polish-Lithuanian Commonwealth.  He was a personal secretary to two Kings of Poland, Sigismund I the Old and Sigismund II Augustus.
[PAR] [TLE] Sigismund I the Old [ SEP ] Sigismund I of Poland ( Polish : " Zygmunt I Stary " , Lithuanian : " Žygimantas I Senasis " ; 1 January 1467 – 1 April 1548 ) , of the Jagiellon dynasty , reigned as King of Poland and also as the Grand Duke of Lithuania from 1506 until 1548 . Earlier , Sigismund had been invested as Duke of Silesia . A successful monarch and a great patron of arts , he established Polish suzerainty over Ducal Prussia ( East Prussia ) and incorporated the duchy of Mazovia into the Polish state , securing the nation 's wealth , culture and power . [PAR] [TLE] Marcin Kromer [ SEP ] Marcin Kromer ( Latin : " Martinus Cromerus " ; 11 November 1512 – 23 March 1589 ) was Prince - Bishop of Warmia ( Ermland ) , a Polish cartographer , diplomat and historian in the Kingdom of Poland and later in the Polish - Lithuanian Commonwealth . He was a personal secretary to two Kings of Poland , Sigismund I the Old and Sigismund II Augustus .
This king to which Marcin Kromer was a personal secretary was also a grand duke of what country?
This king to which Marcin Kromer was a personal secretary was also a grand duke of what country ?
Lithuania
Lithuania