"August Philipp Karl of Limburg Stirum (1721–1797), count of Limburg Stirum and Bronckhorst, was the son of Otto Leopold Count von Limburg Styrum und Bronckhorst, Lord of Gemen and Raesfeld (1688–1754) and Anna Elisabeth countess of Schönborn (1686–1757).
August Philipp was Prince-Bishop of Speyer and sovereign Lord zu Gemen from 1771 till 1797." - (en.wikipedia.org 23.06.2020)
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