Duchy of Cornwall from Duchy income, assisted by Grants-in-aid from the Queen. If there is no duke (for example, if the monarch does not have any male children) the duchy income reverts to the monarch and the annual Sovereign Grant is reduced annually by the amount of the duchy's income. The duchy was established on 17 March 1337 by the Royal Great Charter out of the former Earldom of Cornwall by Edward III for his son, Edward, Prince of Wales, the "Black Prince", who became the first Duke of Cornwall. The charter established that the Duke of Cornwall is to be the eldest
Desa (monarch) Desa (monarch) Desa (Serbian Cyrillic: Деса) was the Serbian co-ruler from 1148 to 1153, alongside his elder brother Uroš II, Grand Prince of Serbia; the Prince of Duklja, Travunija and Zahumlje from 1149 to 1162; the Grand Prince of Serbia from 1153 to 1155, and again from 1162 to 1166. Desa was the youngest of three sons of Uroš I, the Grand Prince of Serbia from 1112 to 1145. His mother was Anna Diogenissa, a Byzantine noblewoman. The eldest son Uroš II succeeded their father in 1145. Their sister, Helena, married Béla II of Hungary (r. 1131–41). Upon the death