Johann Friedrich Karl von Ostein
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Johann Friedrich Karl von Ostein | |
|---|---|
| Archbishop of Mainz | |
 Portrait by Heinrich Carl Brandt | |
| Church | Catholic Church |
| Diocese | Electorate of Mainz |
| In office | 1743–1763 |
| Personal details | |
| Born | 6 July 1689 |
| Died | 4 June 1763 (aged 73) |
Johann Friedrich Karl von Ostein (6 July 1689 – 4 June 1763) was the Archbishop of Mainz, Elector of Mainz[1] and Prince-Bishop of Worms.[2]
He was born as the eldest son of Count Johann Franz Sebastian von Ostein (1652-1718) and his wife, Countess Anna Karolina Maria von Schönborn (1671-1746). Among his siblings were Johann Franz Heinrich Carl von Ostein, Austrian Ambassador to England and Russia.[3]
One of his ancestors was Johann Heinrich von Ostein, Prince-Bishop of Basel during the Thirty Years' War. His maternal grandparents were Count Melchior Friedrich von Schönborn-Buchheim and Baroness Maria Anna Sophia Johanna von Boyneburg-Lengsfeld (a daughter of Johann Christian von Boyneburg). Among his maternal family were uncles, Johann Philipp Franz von Schönborn, the Prince-Bishop of Würzburg,[4] Friedrich Karl von Schönborn-Buchheim, the Prince-Bishop of Würzburg and Prince-Bishop of Bamberg who served as Vice-Chancellor of the Holy Roman Empire under Joseph I,[5] Damian Hugo Philipp von Schönborn-Buchheim, the Prince-Bishop of Speyer and Bishop of Konstanz,[6] Rudolf Franz Erwein von Schönborn, a diplomat and composer,[7] Anselm Franz von Schönborn,[8] and Franz Georg von Schönborn, the Elector and Archbishop of Trier who was also Prince-Bishop of Worms and Prince-Provost of Ellwangen.[9]
