Of Portugal, Fernão I The Beautiful b. October 31, 1345 d. October 22, 1383 Portugese Monarch. He reigned as King of Portugal from 1367 to 1383. He was the son and legal heir of King Pedro I and his queen Constance of Castile. On the death of king Pedro the Cruel of Castile in 1369, Dom Fernão, as great grandson of king Sancho IV of Castile, ladi claim to the vacant throne in the neighbouring country, for which the kings of Aragon and Navarra and later the Duke of Lancaster, John of Gaunt, also became competitors.Meanwhile Enrique de Trastemara, illigitimate brother...[Read More] (Bio by: Benny Chordt Hansen) Convento de São Francisco, Santarem, Viseu, Portugal