 Ramba uchinyora ndima iyi - John aiva mwanakomana mukuru waJohn I weBrittany naBlanche weNavarre. Pana 22 January 1260, akaroora Beatrice, mwanasikana waMambo Henry III weEngland. John aiva pedyo zvikuru nomukoma womurume wake, aizova Mambo Edward I. Muna 1271, akaenda naEdward kuNeventh Crusade, uko akasangana nababa vake naMambo Louis IX weFrance. Louis akafa nechirwere muTunis, uye baba vaJohn vakadzokera kuBrittany. Zvisinei, John akatevera Edward kuPalestine. Hondo yechitendero yakaguma gore rakatevera racho, isina kubudirira zvikuru. Muna 1285, John akapinda muAragonese Crusadeparutivi paMambo Philip III weFrance. 