Mezue ahịrịokwu a: Mgbe agha ndị Afọso nke Ise lụrụ n'Afrịka gwụrụ, ọ lụrụ agha n'ebe ọzọ na Kastilia, bụ́ obodo dị ha nso. Na December 11, 1474, Eze Henry nke Anọ nke Castile nwụrụ n'amụtaghị nwa nwoke, ọ hapụrụ nanị otu nwa nwanyị, bụ́ Joanna. Otú ọ dị, e nwere obi abụọ banyere ịbụ nna ya; a nụrụ asịrị na nwunye ya, Eze Nwanyị Joan nke Portugal (nwanne nwanyị Afonso) na otu nwoke a ma ama aha ya bụ Beltrán de La Cueva nwere mmekọahụ. Ọnwụ Henry kpalitere
otu n'ime ha kwadoro Joanna, nke ọzọ kwadoro Isabella, bụ́ nwanne Henry nke nwaanyị. A kpaliri Afonso nke Ise ime ihe n'ihi Joanna, nwa nwanne ya nwanyị. O kwere ya nkwa ọlụlụ, kpọwazie onwe ya eze Castile ma duru ndị agha banye n'alaeze ahụ. N'ihi mmekọrịta chiri anya ha nwere n'ọbara, alụmdi na nwunye iwu kwadoro aghaghị ichere ruo mgbe popu nyere ikike.