Auroch

 The aurochs are an extinct cattle species considered the wild ancestor of modern domestic cattle. With a shoulder height of up to 180 cm in bulls and 155 cm in cows, it was one of the largest herbivores in the Holocene. It had massive, elongated, and broad horns that reached 80 cm (31.5 in) in length.

Masuria - Mazury

 Masuria (Polish: Mazury, German: Masuren, Masurian: Mazurÿ) is a historical region in northern and northeastern Poland, famous for its 2,000 lakes. The region covers a territory of some 10,000 km2 which is inhabited by approximately 500,000 people.

Kestutis or Kęstutis

 Kęstutis (1297–1382) was the Grand Duke of Lithuania. He was the Duke of Trakai and governed the Grand Duchy of Lithuania, 1342–1382, together with his brother Algirdas (until 1377) and his nephew Jogaila (until 1381). He ruled over the Lithuanians and Ruthenians.