House of Valois the senior descendant of Philip IV of France. Charles' character eventually alienated both the French and English monarchs, because he readily switched sides whenever it suited his interest. In 1356, Edward, the Black Prince, eldest son and heir of Edward III, led an army to a chevauchée in France. John pursued the Black Prince, who tried to avoid battling the French king's superior force. Negotiations broke down. In the Battle of Poitiers, the French suffered another humiliating defeat, and their king was captured. Edward hoped to capitalize on the victory by invading France and having himself crowned at Reims. But
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