"Ernest Augustus (German: Ernst August; 20 November 1629 – 23 January 1698) was ruler of the Principality of Lüneburg from 1658 and of the Principality of Calenberg from 1679 until his death. He was appointed as the ninth prince-elector of the Holy Roman Empire in 1692, but died before the appointment became effective.
He was also ruler of the Prince-Bishopric of Osnabrück from 1662 until his death." - (en.wikipedia.org 14.05.2021)
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