Henry II (Seville, January 13, 1334 – May 29, 1379 in Santo Domingo de la Calzada), better known as Henry of Trastámara (Spanish: 'Enrique de Trastámara', Galician: 'Henrique de Trastamar'}, 1st Conde de Trastámara, before his coronation, was the illegitimate son of Alfonso XI of Castile and Eleanor of Guzmán, half brother to Peter of Castile . He took the throne after defeating and killing Peter in the Castilian Civil War .
Jamal al-Din Muhammad ibn Muhammad Aqsara'i, also written al-Aqsara'i, was a 14th century Persian physician. He is known for his commentary on the Mujiz, which was an epitome made in the 13th century by Ibn al-Nafis of The Canon of Medicine of Avicenna. Al-Aqsara'i studied medicine with his father, under whose tutelage he first read the Mujiz.
Albrecht II Duke of Mecklenburg (Schwerin c. 1318 – February 18, 1379) was a feudal lord in Northern Germany on the shores of the Baltic Sea. He reigned as the head of the House of Mecklenburg, his princely seat was located in Schwerin beginning in the 1350s.
Philotheos Kokkinos was the Ecumenical Patriarch of Constantinople for three periods from November 1353 to 1354, 1354, and 1364 to 1376. He was appointed patriarch in 1353 by the emperor John VI Kantakouzenos, deposed by John V Palaiologos in 1354 and then restored by Patriarch Callistus I of Constantinople. During the third tenure starting from 1364, Philotheos opposed the emperor John V in his intent to negotiate with Pope Urban V and Pope Gregory XI.
Otto V, Duke of Bavaria (1346 – 15 November 1379), was as duke of Bavaria and as Otto VII margrave-elector of Brandenburg. Otto was the fourth son of Louis IV, Holy Roman Emperor with his second wife Margaret II of Avesnes, countess of Hainaut and Holland.
Saint John of Bridlington (John Thwing, John of Thwing, John Twenge, John Thwing of Bridlington) (1319–1379) is an English saint of the 14th century. Born John Twenge in 1319 in the village of Thwing on the Yorkshire Wolds, about nine miles west of Bridlington, he was of the Yorkshire family Twenge, which during the English Reformation supplied two Roman Catholic priest-martyrs and was also instrumental in establishing the Institute of the Blessed Virgin Mary at Bar Convent, York.