Updated Feb 20, 2026
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John II, Duke of Schleswig-Holstein-Haderslev: Duke of Schleswig-Holstein-Haderslev.
Born in Haderslev (died at age 59).
Biography
John the Elder was the only Duke of Schleswig-Holstein-Haderslev. The predicate the Elder is sometimes used to distinguish him from his nephew, John the Younger, who held Sønderborg from 1564 as a partitioned-off duke. As a co-ruler in the duchies of Holstein and of Schleswig, John the Elder is numbered as John II, continuing counting King John of Denmark as John I, Duke of Holstein and Schleswig.
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Frequently Asked Questions
How old was John II, Duke of Schleswig-Holstein-Haderslev?
John II, Duke of Schleswig-Holstein-Haderslev was born on and passed away on at the age of 59.
Where was John II, Duke of Schleswig-Holstein-Haderslev born?
John II, Duke of Schleswig-Holstein-Haderslev was born in Haderslev.
Where can I find more information about John II, Duke of Schleswig-Holstein-Haderslev?
You can find more about John II, Duke of Schleswig-Holstein-Haderslev on Wikidata. Their full profile and filmography is available on this page.