Leopold I, Prince of Anhalt Dessau

Leopold I, Prince of AnhaltDessau was a German prince of the House of Ascania and ruler of the principality of AnhaltDessau from 1693 to 1747. He was also a Generalfeldmarschall in the Prussian army. Nicknamed the Old Dessauer , he possessed good abilities as a field commander, but was mainly remembered a talented drillmaster who modernized the Prussian infantry.

Leopold was born in Dessau as the ninth of ten children of John George II, Prince of AnhaltDessau, by his wife Henriette Catherine, daughter of Frederick Henry, Prince of Orange. An older brother had died well before Leopold was born.

Source: Wikipedia