József Károly Batthyány, the count and later duke of Németújvár, was born on April 28, 1698 in Rohonc and died on April 13, 1772 in Vienna. He was born as a scion of the ancient noble Batthyány family, his parents were Count Ádám Batthyány (II.) the country judge and Count Eleonóra Strattmann. During his military career, he participated in several wars, including the Habsburg-Turkish War in 1717-18, 1734, and then in 1737- in 38. He also served as ambassador to Berlin in 1739-40. During the War of the Austrian Succession, he first became the commander of the Bavarian, then the Austro-Germanic and Czech imperial armies, and in 1745 he received the rank of field marshal from Maria Theresa. During this period, on April 22, 1745, he won a victory over the outnumbered Franco-Bavarian army in the Battle of Pfaffenhofen. From 1745 he was commander-in-chief of the army, and from 1746 II. József and II. He supervised Lipót's upbringing. In 1755, he received permission to use both his mother's and his father's family names (Batthyány-Strattmann), in 1763 he was awarded the rank of Czech, and in 1764 he was awarded the rank of Holy Roman Imperial Duke. He spent the last years of his life in Vienna, where he died at the age of 73.

From 1742 to 1756, it was also the province of Croatia, Slavonia and Dalmatia. In this capacity, he minted several coins, the most famous of which are the following: The Batthyány coin, which he minted in Nagyvárad in 1743. It was a silver coin with a portrait of Maria Theresa on the front and the Croatian coat of arms on the reverse. The value of the money was one thaler, which was equivalent to 60 krajcár or 240 denars. The Batthyány blade, minted in Nagyvárad in 1744. It was a gold coin with a portrait of Maria Theresa on the front and the Croatian coat of arms on the reverse. The value of the money was a pengő, which was equivalent to 10 thalers or 600 krajcár. The Batthyány krajcár, minted in Nagyvárad in 1745. It was a copper coin with the monogram of Maria Theresa on the front and the Croatian coat of arms on the reverse. The value of the money was one krajcár, which was equivalent to four denars. The Batthyány coins are highly valued by numismatists due to their rarity and beauty.