莫里斯的弟弟佩特鲁斯(英语:Peter (curopalates))(c. 550 – 602) 被封为“库罗帕拉特”,与莫里斯同时被杀。 佩特鲁斯妻子Anastasia Aerobinda (b. ca 570), daughter of Areobindus (b. c. 550), and had female issue.
妹妹狄奥克蒂斯塔(Theoctista)(c. 540 – aft. 582) 丈夫死于582年莫里斯登基前,有一女歌迪亚(Gordia) (c. 560 – aft. 597), 她嫁给Marinus (c. 555 – aft. 597), son of Nerses (c. 530 – aft. 595) and wife Hesychia (b. c. 535), by whom she had a daughter Theoctista (c. 575/c. 580 – aft. 597), married to Christodorus or Christodoros (b. c. 570) and had issue.
另一个妹妹歌迪亚(Gordia) (c. 550 – aft. 602)嫁给Philippicus将军 (c. 550 – Chrysopolis, 614), 582年封comes excubitorum和magister militum ,by whom she had a daughter, who married Artabastus (Artavazd) Mamikonian (b. ca 565), and had issue.
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