Simultaneously, the people are so weakened by diseases such as pneumonia, bronchitis, and tuberculosis. Historians debate the toll, but it is estimated that 10–25% of the population of many cities and towns dies. Religion March 31 – Pope John XXII claims imperial rights of government in Italy for the papacy. He erects the dioceses of Luçon, Maillezais, and Tulle and issues the decretal Spondent Pariter prohibiting alchemy. Births March 21 – Isabel de Verdun, English noblewoman (House of Clare) (d. 1349) date unknown Blanche of Valois, queen consort of Germany and Bohemia (d. 1348) Euphemia of Sweden, Swedish noblewoman and princess (d. 1370) Coloman, Hungarian nobleman, prince, prelate and bishop (d. 1375) Godfrey de Foljambe, English nobleman and Chief Justice (d. 1376) Ichijō Tsunemichi, Japanese nobleman (kugyō) and regent (d. 1365) John II, Sicilian nobleman and prince (House of Barcelona) (d. 1348) Michael Szécsényi, Hungarian nobleman, cleric and bishop (d. 1377) Ralph de Spigurnell, English nobleman, knight and admiral (d. 1373) Vuk Kosača, Bosnian nobleman (knyaz), magnate and ruler (d. 1359) Deaths February 6 – Brinolfo Algotsson, Swedish bishop and theologian (b. 1240) February 7 – Robert de Clermont, French nobleman and prince (b. 1256) February 11 – Ralph Fitzwilliam, English nobleman and knight (b. 1256) April 6 – Guy IV, French nobleman and Grand Butler (House of Châtillon) April 19 – Nitchō, Japanese Buddhist monk, cleric and scholar (b. 1252) April 20 – Agnes of Montepulciano, Italian prioress and saint (b. 1268) May 23 – Guy of Avesnes, French bishop (House of Avesnes) (b. 1253) June 23 – Thawun Gyi, Burmese founder and ruler of Toungoo (b. 1258) June 25 – Henry of Harclay, English philosopher and chancellor (b. 1270) August 14 – Bernard de Castanet, French diplomat and bishop (b. 1240) September 21 – Viola of Teschen, queen consort of Bohemia and Poland October 8 – Fushimi, Japanese emperor and calligrapher (b. 1265) October 26 – Alice of Hainault, French noblewoman (House of Avesnes) November 9 – Manfred of Sicily, Sicilian nobleman and prince (b. 1306) November 13 – Yahballaha III, Turkic patriarch of the Church of the East November 28 – Yishan Yining, Chinese monk and calligrapher (b. 1247) December 15 – Maria of Bytom, queen consort of Hungary and Croatia December 24 – Jean de Joinville, French historian and writer (b. 1224) date unknown Dujam II, Croatian nobleman and oligarch (House of Frankopan) Gerard of Bologna,