Johann Heinrich Röntgen (USA) (1844-1921)

Johann Heinrich Röntgen (*19.06.1844 Elberfeld; 26.01.1921 Cleveland/Ohio) war ein Cousin von Wilhelm Conrad Röntgen und der Bruder von Louise Conradine Grauel, geb. Röntgen.

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Bertha Röntgen an Louise Grauel (04./07.03.1896)

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Mentioned Johann Heinrich Röntgen (USA) (1844-1921)

Written Anna Bertha Röntgen (1839-1919)

Received Louise Grauel (geb. Röntgen) (1846-1929)

Mentioned Wilhelm Röntgen (1845-1923)

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[Last update: 2020/11/20]

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