In 1317, she became the only empress upon the death of the senior empress, Irene of Montferrat. She was known as Maria in Constantinople. A chronicle attributed to Hetoum II of Armenia is included in the collection known as Recueil des Historiens des Croisades. According to a passage recording _her_ birth, Rita was the twin sister of Princess Theophane of Armenia. <sep>, Pronoun: her