Heinrich XLII, Prince Reuss of Schleiz

Heinrich XLII (1752–1818) was a German prince of the House of Reuss.

He succeeded as Count of Reuss-Schleiz on 25 June 1784, and also to Reuss-Gera on 26 April 1802, when the counties were united as Reuss-Schleiz und Gera. On 9 April 1806 the united county was raised to a principality.

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