Died in 1240

Jan 17 Isabel Marshal a medieval English countess. She was the wife of both Gilbert de Clare, 4th Earl of Hertford and 5th Earl of Gloucester and Richard, 1st Earl of Cornwall. With the former, she was a great grandparent of King Robert the Bruce of Scotland
Apr 11 Llywelyn the Great a Prince of Gwynedd in north Wales and eventually de facto ruler over most of Wales. By a combination of war and diplomacy he dominated Wales for 40 years
May 1 Jacques de Vitry a French canon regular who was a noted theologian and chronicler of his era. He was elected bishop in 1214 and made cardinal in 1229
May 24 Skule Bårdsson a Norwegian nobleman and claimant to the royal throne against his son-in-law, King Haakon Haakonsson. Henrik Ibsen's play Kongs-Emnerne is about the dispute between Duke Skule and King Haakon
Jul 24 Konrad von Thüringen the fifth Grand Master of the Teutonic Knights, serving from 1239 to 1240. A Landgrave of Thuringia from 1231 to 1234, he was the first major noble to join the military order
Aug 14 Ludmilla of Bohemia a daughter of Frederick, Duke of Bohemia, and his wife, Elizabeth of Hungary. Ludmilla was a member of the Přemyslid dynasty. She was Duchess consort of Bavaria by her marriage to Louis I, Duke of Bavaria
Aug 31 Raymond Nonnatus a saint from Catalonia in Spain. His nickname refers to his birth by Caesarean section, his mother having died while giving birth to him
Oct 13 Razia Sultana born in *Budaun and was the Sultan of Delhi in India from 1236 to May 1240. Like some other Muslim princesses of the time, she was trained to lead armies and administer kingdoms if necessary. Razia Sultana was the only woman ruler of both the Sultanate and the Mughal period, although other women ruled from behind the scenes. Razia refused to be addressed as Sultana because it meant "wife or mistress of a sultan". She would answer only to the title "Sultan." In many people's opinions Razia had all the qualities of a great monarch
Nov 8 Ibn Arabi an Arab Andalusian Sufi mystic and philosopher.
Nov 16 Edmund Rich a 13th-century Archbishop of Canterbury in England. Today he is remembered for his connection to St Edmund Hall, Oxford, St Edmund's College, Cambridge, St Edmund's School, Canterbury and Edmund's College, Ware
Dec 6 Constance of Hungary the second Queen consort of Ottokar I of Bohemia.