John IV, Duke of Mecklenburg
Member of the House of Mecklenburg
John IV, Duke of Mecklenburg was sole ruler of the Duchy of Mecklenburg from 1384 to 1395 and co-regent from 1395 to 1422. Wikipedia
Born: 1370
Died: October 16, 1422 (age 52 years), Schwerin, Germany
Great-grandparents: Henry II, Lord of Mecklenburg, Ingeborg of Norway, Eric Magnusson, and more
Great grandchildren: Albrecht VII, Duke of Mecklenburg, Henry V, Duke of Mecklenburg, Catherine of Mecklenburg, and more
Grandchildren: Magnus II, Duke of Mecklenburg, Balthasar, Duke of Mecklenburg, John VI, Duke of Mecklenburg, and more
Grandparents: Albert II, Duke of Mecklenburg, Euphemia of Sweden, and Barnim IV, Duke of Pomerania
Parents: Magnus I, Duke of Mecklenburg and Elisabeth of Pomerania