Noble family House of Guelph Mother Hedwig of East Frisia | Name Otto Duke | |
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Spouse(s) Hedwig of Brunswick-Wolfenbuttel Born 20 March 1572Harburg ( 1572-03-20 ) Parents Otto II, Duke of Brunswick-Harburg Grandparents Otto I, Duke of Brunswick-Harburg Great-grandparents Henry the Middle, Duke of Brunswick-Luneburg People also search for | ||
Otto III, Duke of Brunswick-Lüneburg, Lord of Harburg (20 March 1572 in Harburg – 4 August 1641 in Harburg) was a titular Duke of Brunswick-Lüneburg and ruler of the apanage Brunswick-Harburg.
Life
Otto was a son of Duke Otto II of Brunswick-Harburg (1528-1603) from his second marriage, with Hedwig (1535-1616), the daughter of Cont Enno II of East Frisia.
After the death of his brother Christopher in 1606, Otto III and his brother William Augustus ruled Harburg jointly. Their joint reign was described as harmonious. In a treaty of 11 January 1630, the brothers renounced their right to succeed in Brunswick-Lüneburg, in favour of Christian, in exchange for Christian paying their debts, which exceeded 150000Taler.
On 14 April 1621 in Wolfenbüttel, Otto III married Hedwig (1580-1657), the daughter of Duke Julius of Brunswick-Wolfenbüttel. This marriage remained childless.