Family tree Van Koert » Johann I Markgraaf van Brandenburg (1220-56) (± 1213-1266)

Personal data Johann I Markgraaf van Brandenburg (1220-56) 


Household of Johann I Markgraaf van Brandenburg (1220-56)

(1) He is married to Sophie van Denemarken.

They got married about 1234.


Child(ren):

  1. Helena van Brandenburg  ± 1240-1305


(2) He is married to Jutta van Saksen.

They got married about 1255.


Child(ren):



Notes about Johann I Markgraaf van Brandenburg (1220-56)

Hij erkende Rooms koning Willem van Holland en koos in 1257 mee voor Alfons X van Castilië als Rooms koning, waarmede Brandenburg voor het eerst gebruik maakte van zijn keurrecht. Hij bevorderde handel en de oprichting van steden en stichtte onder meer Berlijn. Frankfurt an der Oder en Neubrandenburg. Johan interfereerde in de Deense troonstrijd en nam daarbij koning Erik V van Denemarken gevangen.

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Timeline Johann I Markgraaf van Brandenburg (1220-56)

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Ancestors (and descendant) of Johann I Markgraaf van Brandenburg (1220-56)


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About the surname Markgraaf van Brandenburg (1220-56)


When copying data from this family tree, please include a reference to the origin:
Rob van Koert, "Family tree Van Koert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-koert/I4926.php : accessed June 13, 2024), "Johann I Markgraaf van Brandenburg (1220-56) (± 1213-1266)".