Irene Gattilusio
Irene Gattilusio ( died 1 January 1440 under the monastic name Eugenia ) was a Byzantine Empress consort by marriage to John VII Palaiologos , a Byzantine Emperor in 1390 . 
<triplet> Irene Gattilusio <subj> John VII Palaiologos <obj> spouse <triplet> John VII Palaiologos <subj> Irene Gattilusio <obj> spouse