谁嫁给了Andronikos Doukas (cousin of Michael VII)？

Andronikos Doukas, Latinized as Andronicus Ducas (Greek: Ανδρόνικος Δούκας; died 14 October 1077), was a protovestiarios and protoproedros of the Byzantine Empire.

Maria of Bulgaria (died 21 November, after 1095), known as Maria Doukaina (Greek: Μαρία Δούκαινα) in the Byzantine sources, was the wife of protovestiarios and domestikos ton scholon Andronikos Doukas and mother of Empress Irene Doukaina.