John IV of Trebizond Emperor of Trebizond (1404–1460) Parents Theodora Kantakouzene Alexios IV of Trebizond Children Despina Khatun Siblings Despina Khatun David II of Trebizond Maria of Trebizond Alexander of Trebizond Eudokia Komnene, Princess of Trebizond unknown daughter Comnene Partners N. Bagrationi
