Herman Boas was a son of Alexander Boas and Rachel Koen.
From the first marriage of his father and Catharina Walvisch, solemnized on 7 May 1873 in Amsterdam, Herman had three brothers: Barend (who passed away in 1936 and who was married Klaartje Roet, Salomon and Jochem, who were unmarried.
From the second marriage of his father Alexander Boas to Rachel Koen on 24 November 1886 in Amsterdam, Salomon had two more sisters: Roosje and Anna, who both have survived the Holocaust and two more brothers: Isaac and Louis.
Herman was unmarried.
City Archive of Amsterdam, family registration card of Alexander Boas.
Biography