Ivan Shishman of Bulgaria Bulgarian tsar (1350–1395) Parents Sarah-Theodora Ivan Alexander of Bulgaria Children Keratsa Joseph II of Constantinople Alexander Fruzhin Siblings Desislava of Bulgaria Ivan Asen V of Bulgaria Vasilisa of Bulgaria Ivan Asen IV of Bulgaria Michael Asen IV of Bulgaria Keratsa of Bulgaria Kera Tamara Ivan Sratsimir of Bulgaria Mara (?) Partners Kira Maria Dragana of Serbia
