an attempt to force an allegiance between the states. He also puts a levy of a fifteenth on the value of cargo exported to France and disallows the export of wool to France without a special license. The levies are enforced in each port by at least six men – including one churchman and one knight. John affirms that judgments made by the court of Westminster are as valid as those made "before the king himself or his chief justice". By topic Religion Pope Innocent III recognizes Otto IV as the only legitimate ruler of the Holy Roman Empire, against his rival King, Philip of Swabia. In return, Otto promises to support the pope's interests in Italy. March 25 – Constance, duchess of Brittany, founds Villeneuve Abbey and gives the new abbey a charter. Births February 18 – Nasir al-Din al-Tusi, Persian scientist and writer (d. 1274) May 30 – Theobald I (the Troubadour), French nobleman (d. 1253) August 9 – Arnold Fitz Thedmar, English chronicler and writer (d. 1274) October 9 – Robert de Sorbon, French monk and theologian (d. 1274) October 10 – Richard de Fournival, French philosopher (d. 1260) Agnes of the Palatinate, duchess of Bavaria (House of Guelf) (d. 1267) Danylo Romanovych, ruler (knyaz) of Galicia–Volhynia (d. 1264) Diana degli Andalò (or d'Andalo), Italian nun and saint (d. 1236) Eison, Japanese Buddhist scholar-monk and disciple (d. 1290) Thomas of Cantimpré, Flemish priest and preacher (d. 1272) Uriyangkhadai, Mongol general and son of Subutai (d. 1272) Deaths March 1 – Shikishi, Japanese princess, poet and writer (b. 1149) March 21 – Absalon, Danish archbishop and statesman (b. 1128) March 22 – Jarosław of Opole, Polish duke and bishop (b. 1145) April – Bohemond III (the Stammerer), prince of Antioch (b. 1148) April 7 – Baha al-Din Qaraqush, Egyptian regent and architect May 24 – Theobald III, French nobleman and knight (b. 1179) June 16 – Ibn al-Jawzi, Arab historian and philologist (b. 1116) June 20 – Imad ad-Din al-Isfahani, Persian historian (b. 1125) July – Agnes of Merania, queen consort of King Philip II of France (Augustus) July 25 – Gruffydd ap Rhys II, Welsh prince of Deheubarth July 31 – John Komnenos (the Fat), Byzantine nobleman August 20 – Gardolf of Hertbeke, bishop of Halberstadt September 5 – Constance, duchess of Brittany (b. 1161) December 7 or 8 – Bolesław I (the Tall), Duke of Wroclaw,