During the 1383–1385 Portuguese interregnum , one of the emerging candidates to the throne was John , master of the Order of Aviz , who was an illegitimate son of King Peter I of Portugal .
Head entity: john Q201575 15
Tail entity: peter i of portugal Q295824 31 32 33 34
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40