Mezue ahịrịokwu na-esonụ: N'Agha Alcácer Quibir na 1578, e gburu eze ahụ na-eto eto bụ́ Sebastian. Nna nna Sebastian na onye nọchiri ya, Cardinal Henry, dị afọ 66 n'oge ahụ. Ọnwụ Henry sochiri ọgba aghara nke usoro, na ụmụ ụmụ Manuel nke Mbụ atọ na-azọrọ ocheeze: Infanta Catarina, Duchess nke Braganza (lụrụ John, 6th Duke nke Braganza), António, Prior nke Crato, na Eze Philip nke Abụọ nke Spain. Ndị bi na Santarém, na July 24, 1580, nakwa mgbe ahụ n'ọtụtụ obodo ukwu na obodo nta ndị dị ná mba ahụ, akpọwo António Eze Portugal. Ụfọdụ ndị so na Kansụl Ndị Gọvanọ nke Portugal bụ́ ndị kwadoro Philip gbagara Spen ma kwuo na ọ bụ ya bụ onye ga-anọchi Henry n'ụzọ iwu kwadoro. Philip banyere Portugal ma merie ndị agha na-eguzosi ike n'ihe nye Prior nke Crato na
Agha nke Alcântara. Ndị agha na-arụ ọrụ n'ime obodo (Tercios) nke onye isi nke 3 Duke nke Alba nyere iwu rutere Lisbon. Duke nke Alba nyere ndị ógbè Portuguese ọchịchị nke Philip tupu ya abanye Lisbon, ebe o jidere akụ̀ dị ukwuu; ka ọ dịgodị, o kwere ka ndị agha ya kwatuo gburugburu isi obodo ahụ. Ndị Cortes nke Tomar nabatara Philip dị ka eze na 1581, na-amalite ọchịchị nke House of Habsburg na Portugal. Mgbe Philip hapụrụ Madrid n'afọ 1583, o mere nwa nwanne ya nwoke bụ́ Albert nke Ọstria osote ya n'ọchịchị na Lisbon. Na Madrid, o guzobere Kansụl nke Portugal iji nye ya ndụmọdụ n'ihe ndị metụtara Portugal.