Michael Isidor Hausmann lived with his brother, Sigismund Isidor Hausmann, at 11 Walstraat in Zwolle.
D. Stibbe and J. Hagedoorn, Herinneringsboek joods Zwolle 1940-1945 (Zwolle 1995) 36-37
The Hausmann brothers were sons of Raphael Hausmann and Rachel Rosenberg.
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