Manuel II Palaiologos - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Manuel_II_Palaiologos
Manuel II Palaiologos
or Palaeologus (27 June 1350 – 21 July 1425) was Byzantine Emperor from
1391 to 1425. Shortly before his death he was tonsured a monk and
received the name Matthew. He is commemorated on July 21.
Theodore II Palaiologos - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Theodore_II_Palaiologos
Theodore
II Palaiologos or Palaeologus (c. 1396 – 21 June 1448) was Despot in
the Morea from ... In a letter from around the time of Manuel II's death
(July 21, 1425), Pope Martin V called Theodore II emperor of ... Manuel II Palaiologos. 20.