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John I (1249 – 30 July 1285) ruled asduke of Saxony from 1260 until 1282.
John was the elder son of DukeAlbert I of Saxony and his third wife Helen, a daughter ofOtto the Child. John and his younger brotherAlbert II jointly ruled theDuchy of Saxony after the death of their father Albert I in 1260. In 1269, 1272, and 1282 the brothers gradually divided their land within the three territorially unconnected Saxon areas (one calledLand of Hadeln aroundOtterndorf, another aroundLauenburg upon Elbe and the third aroundWittenberg), thus preparing a partition. As part of this arrangement John I became Burgrave ofMagdeburg in 1269. In the imperial election in 1273, Albert II represented the jointly ruling brothers.
In 1270, John marriedIngeborg (c. 1253–30 June 1302), possibly a daughter ofBirger Jarl or KingErik Eriksson of Sweden.[1] They had eight children, among them the following:[citation needed]
John I resigned in 1282 in favour of his three minor sonsEric I,John II andAlbert III. Later John I entered the Franciscan monastery in Wittenberg, becoming itswarden (guardian), which position he held until he died. John I's sons and their uncle Albert II continued the joint rule in Saxony. John died inWittenberg.[2]
John I, Duke of Saxony Born: 1249 Died: 30 July 1285 in Wittenberg | ||
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| Preceded by | Duke of Saxony 1260–1282 withAlbert II | Succeeded by |