Alexander Mug was tha son of Abraham Mug and Sophia Plots. He was married Sara de Wolf, the daughter of Levie de Wolf and Esther van Bever. His brother Isaac was married to Sara's sister Mathilda.
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Alexander Mug worked as a porter at the Cineac on Coolsingel in Rotterdam, where he stood at the entrance in uniform. He was known as Lex in the family. His wife wa…