"Adolph III of the Marck (German: Adolf III von der Mark) (c. 1334 – 7 September 1394) was the Prince-Bishop of Münster (as Adolph) from 1357 until 1363, the Archbishop-Elector of Cologne (as Adolph II) in 1363, the Count of Cleves (as Adolph I) from 1368 until 1394, and the Count of Mark (as Adolph III) from 1391 until 1393.
Adolph was the second son of Count Adolph II of the Marck and Margaret of Cleves.
On 16 November 1357 Pope Innocent VI appointed him the Bishop of Münster. In 1362 he signed a contract with his uncle Bishop Engelbert III of the Marck of Liège whereby he would inherit Cleves in the likely event Count John of Cleves died childless. On 13 June 1363 he was appointed the Archbishop of Cologne against the favourite John of Virneburg, but by the end of the year had resigned from the position to focus on the County of Cleves, despite the fact that his short tenure was scandalous and ridden with controversy." - (en.wikipedia.org 27.05.2021)
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