Johann I. von Brandenburg was born circa 1213 to Albrecht II. von Brandenburg (c1150-1220) and Mechthild von Lausitz (c1185-1255) and died 4 April 1266 of unspecified causes. He married Sophie of Denmark (1217-1247) 1230 JL . He married Jutta von Sachsen (c1228-1287) 1255 JL . Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s.



Children



Offspring of Johann I. von Brandenburg and Sophie of Denmark (1217-1247)
Name Birth Death Joined with
Johann II. von Brandenburg (1237-1281) 1237 10 September 1281 Hedwig zu Werle (1243-1287)
Otto IV. von Brandenburg (c1238-1308)
Konrad I. von Brandenburg (c1240-1304) 1240 1304 Schwedt Constance of Poznań (c1245-1281)
Helene von Brandenburg (c1241-1304)
Erich von Brandenburg (c1242-1295)
Hermann von Brandenburg (?-1291)



Offspring of Johann I. von Brandenburg and Jutta von Sachsen (c1228-1287)
Name Birth Death Joined with
Agnes von Brandenburg (1257-1304) 1257 29 September 1304 Eric V of Denmark (1249-1286) Eric V of Denmark (1249-1286) Gerhard II. von Holstein-Plön (1254-1312)
Heinrich I. von Brandenburg (1260-1318) 1260 14 February 1318 Agnes von Wittelsbach (c1272-1345)
Mechtild von Brandenburg (1257-1278) 1257 1278 Bogislaw IV. von Pommern (bef1252-1309)
Albrecht von Brandenburg (c1258-1290)









 




Footnotes (including sources)

‡ General


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1213 JL +
Johann II. von Brandenburg (1237-1281)+Otto IV. von Brandenburg (c1238-1308)+Konrad I. von Brandenburg (c1240-1304)+Helene von Brandenburg (c1241-1304)+Erich von Brandenburg (c1242-1295)+Hermann von Brandenburg (?-1291) +
Agnes von Brandenburg (1257-1304)+Heinrich I. von Brandenburg (1260-1318)+Mechtild von Brandenburg (1257-1278)+Albrecht von Brandenburg (c1258-1290) +
April 4, 1266 JL +
Johann I. von Brandenburg +
Johann I. von Brandenburg +
Ascania +
71787667 +
John I, Margrave of Brandenburg +