Eugen von Hippel, zweiter Sohn des Augenarztes Arthur von Hippel und seiner Frau Olga, Freunde der Familie Röntgen mit seinen Kindern Else (*21.08.1895; +18.12.1932) und Hans (Hansel) (*20.02.1898; +01.11.1918). Gruppenportrait (Bruststück) in Frontalansicht.
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