The last of the Afonsin dynasty, King Fernando I (1367-1383), formed an alliance with the English and appealed for support in his disputes with Spain.
King Fernando I died at the age of 35.
mnli hypothesis: King Fernando I died at the age of 35. premise: The last of the Afonsin dynasty, King Fernando I (1367-1383), formed an alliance with the English and appealed for support in his disputes with Spain.