Grand Chancellor of Lithuania
The Grand Chancellor of Lithuania (Belarusian: Канцлер вялікі літоўскі; Lithuanian: Lietuvos didysis kancleris; Polish: Kanclerz wielki litewski) was one of the highest offices in the Grand Duchy of Lithuania. The office functioned from the middle of the 15th century until the end of the real union with the Kingdom of Poland in 1795 and its subsequent partition among Prussia, Russia and Austria.
Source: Wikipedia — Grand Chancellor of Lithuania (CC BY-SA 4.0)