Mezue ahịrịokwu na-esonụ: N'agbanyeghị na ọ jụrụ inyefe obodo ahụ, John nke Asaa nọgidere na-enwe njikọ ụfọdụ na Bayezid. Ná mmalite January 1401, John nke Asaa anọghị na Constantinople, na-anwa ịbịanye aka n'akwụkwọ nkwekọrịta ya na Bayezid. Ihe ọ sọrọ ya mee, o yiri ka o nwere ihe ịga nke ọma nwa oge ka e wepụrụ nnọchibido ahụ ruo nwa oge n'oge okpomọkụ. N'afọ 1402, e dekọrọ na John nke Asaa nọ na njem ndị agha Ottoman na Peloponnese. Na 1 June 1402, ka nnọchibido ahụ nọ na-akawanye njọ, John nke Asaa zigara Henry nke Anọ nke England akwụkwọ ozi, na-ede banyere ihe ize ndụ na-eyi egwu Constantinople. Ihe dị ka otu ọnwa ka e zipụsịrị akwụkwọ ozi a, Bayezid mesịrị hapụ obodo ahụ, na-emeso ndị Timurid ihe. E meriri Bayezid ma jide ya na
Agha nke Ankara na 20 Julaị 1402, na oge nke agha obodo Ottoman nke ọ kpalitere, mechiri nnọchibido nke Constantinople ma zọpụta obodo ahụ.