John Ernest, Duke of Saxe-Coburg

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Duke of Saxe-Coburg

John Ernest

Duke of Saxe-Coburg
Landgrave of Thuringia

Portrait by Lucas Cranach the Elder

Reign

1542–1553

Predecessor

John Frederick I

Successor

John Frederick II

Born

10 May 1521
Coburg

Died

8 February 1553(1553-02-08) (aged 31)
Coburg

Spouse

Catherine, daughter of Philip I, Duke of Brunswick-Grubenhagen

Names
Johann Ernst ^[1]

House

House of Wettin
Ernestine Line

Father

John, Elector of Saxony

Mother

Margaret of Anhalt-Köthen

Religion

Lutheran

John Ernest (German: Johann Ernst) (10 May 1521 – 8 February 1553) was a Duke of Saxe-Coburg and a member of the House of Wettin.^[1]

Early life

John Ernest was born in Coburg as the third (but second surviving and the youngest) son of John, Elector of Saxony, by his second wife, Princess Margaret of Anhalt-Köthen.

Biography

After the death of his father (1532), his half-brother, John Frederick I, became Elector of Saxony. For the first ten years, John Frederick shared the rule (but not the Electoral dignity) with John Ernest. In 1542 John Frederick I decided to rule alone, and ceded the Franconian areas of the Wettin family lands (Coburg and Eisfeld) to John Ernest. However, it was not until Battle of Mühlberg in 1547, in which the elder brother was captured by Emperor Charles V, that John Ernest could govern undisturbed in Coburg.^{[citation needed]}

Personal life

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 — before his death, and then, to his three sons, which governed the Ernestine lands together from 1554 for some years. His widow later married Philip II, Count of Schwarzburg-Leutenberg.