John Ernest was a Duke of Saxe-Coburg and a member of the House of Wettin.
Portrait by Lucas Cranach the Elder
Philip I, Duke of Brunswick-Grubenhagen was a member of the House of Guelph. He was ruler of the Principality of Grubenhagen. He was the second son of Duke Albert II of Grubenhagen and his wife Elizab
John Ernest, Duke of Saxe-Coburg
…captured by Emperor Charles V, that John Ernest could govern undisturbed in Coburg. John Ernest married Catherine of Brunswick-Grubenhagen, daughter of Philip I, Duke of Brunswick-Grubenhagen, but the marriage was childless. After his death in Coburg, the city fell for a few months to John Frederick — released from the imperial detention…
Portrait by Lucas Cranach the Elder