Ferdinand I, sometimes referred to as the Handsome, occasionally as the Inconstant, was King of Portugal and the Algarve, the second (but eldest surviving) son of Peter I and his wife, Constance of Castile. He succeeded his father in 1367....
John I, called the Good (sometimes the Great) or of Happy Memory, was the tenth King of Portugal and the Algarve and the first to use the title Lord of Ceuta. He was the natural son of Peter I by a noble Galician woman named Teresa Lourenço...
