Sophia of Montferrat
Sophia of Montferrat ( or Sophia Palaiologina; died 21 August 1434 ) was a Byzantine empress by marriage to John VIII Palaiologos . 
<triplet> Sophia of Montferrat <subj> 21 August 1434 <obj> date of death <subj> John VIII Palaiologos <obj> spouse <triplet> John VIII Palaiologos <subj> Sophia of Montferrat <obj> spouse