Ramba uchinyora ndima ino - Upenyu hwaConstantine hahuzivikanwi kusvikira muna 1259, paakagadzwa sa"Kesari" nomukoma wake mukuru, Michael VIII. Gore rakatevera racho, akagadzwawo kuva "sebastokrator". Akatungamirira mauto eByzantium pakurwisa kusina kubudirira kwavakaita Humambo hweLatin hweAchaea, uko uto rake rakakundwa muHondo yePrinitza. Zvisinei, Constantine akanga atosiya nharaunda yacho panguva yokukundwa kukuru kweByzantium paHondo yeMakryplagi
muna 1263/1264.