Genealogische database BergSmit » Johannes Dukas van Byzantium (± 1193-1254)

Personal data Johannes Dukas van Byzantium 

  • He was born about 1193.
  • He died on October 30, 1254 in Nymphaion.

Household of Johannes Dukas van Byzantium

(1) He is married to Irene Laskaris.


Wijziging: 26 Juni 1995

They got married about 1212.


(2) He is married to Constantia van Hohenstaufen.


Wijziging: 06 Maart 1994

They got married about 1240.


Notes about Johannes Dukas van Byzantium

Keizer van Byzantium

Wijziging: 29 December 1998

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About the surname Van Byzantium


The Genealogische database BergSmit publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Fred Bergman, "Genealogische database BergSmit", database, Genealogy Online (https://www.genealogieonline.nl/database-bergsmit/I674.php : accessed May 5, 2025), "Johannes Dukas van Byzantium (± 1193-1254)".