David II of Trebizond last Emperor of Trebizond (1408–1463) Parents Theodora Kantakouzene Alexios IV of Trebizond Children Basileios Comnenos Anna Megale Komnenes Manuel Comnenos George Megas Komnenos N. Megale Komnene Anna Komnene Alexias Hatun Siblings Maria of Trebizond Despina Khatun John IV of Trebizond Eudokia Komnene, Princess of Trebizond Alexander of Trebizond unknown daughter Comnene Partners Helena Kantakouzene, Empress of Trebizond Maria of Gothia
