The name of his first wife is unknown, but she is not identical with Thamar (Tamara), the daughter of the Emperor (tsar) Ivan Alexander of Bulgaria, who had married a certain despotēs Constantine.
O nome da súa primeira esposa descoñécese, pero non foi a Tamár (Tamara), filla do tsar Iván Alexandre de Bulgaria, que casou cun certo «déspota» Constantino.