Person
John I of Portugal
King of Portugal and the Algarve
John I, April 11, 1358 – August 14, 1433) is King of Portugal and the Algarve in 1385–1433.
He is called the Good (sometimes the Great) or of Happy Memory, more rarely and outside Portugal, in Spain, the Bastard, and is the first to use the title Lord of Ceuta.
He preserved the kingdom's independence from Castile.