Died in 1230

Jan 30 Pelagio Galvani a Leonese Cardinal, and canon lawyer. He became a papal legate and leader of the Fifth Crusade
May 2 William de Braose (died 1230) the son of Reginald de Braose by his first wife, Grecia Briwere. He was an ill-fated member of a powerful and long lived dynasty of Marcher Lords
May 13 Casimir I of Opole a Duke of Opole-Racibórz from 1211 until his death.
Jul 12 Margaret Countess of Blois a French noblewoman. She was suo jure countess of Blois from 1218 to 1230
Jul 28 Leopold VI Duke of Austria the Duke of Styria from 1194 and the Duke of Austria from 1198 to his death in 1230. He was a member of the House of Babenberg
Oct 25 Gilbert de Clare 5th Earl of Gloucester the son of Richard de Clare, 3rd Earl of Hertford, from whom he inherited the Clare estates. He also inherited from his mother, Amice Fitz William, the estates of Gloucester and the honour of Hilary, and from Rohese, an ancestor, the moiety of the Giffard estates. In June 1202, he was entrusted with the lands of Harfleur and Montrevillers
Dec 15 Ottokar I of Bohemia duke and then king of Bohemia. He was a member of the Přemyslid dynasty
Dec 23 Berengaria of Navarre Queen of England as the wife of Richard She was the eldest daughter of Sancho VI of Navarre and Sancha of Castile. As is the case with many of the medieval English queens, relatively little is known of her life