John III, Lord of Mecklenburg was co-ruler of Mecklenburg from 1287 until his death. He was the son of Henry I and his wife Anastasia of Pomerania. From 1287 to 1289, he ruled Mecklenburg jointly with his elder brother Henry II, under the regency of their uncle Nicholas III.
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About this person
Country
Status
deceased
Dates
Lived 1266 to 1289 · aged 23
Wikipedia
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