Following Dr Rechtsanwalt Alfred Borinski's death in 1912, Helene Borinski geb Fuchs, Dr Rechtsanwalt's widow, appears in the 1913 Berlin address book, living at the same address as her brother-in-law Ernst Borinski. Previously Alfred had lived next door to Ernst.

According to son Hans' 1901 birth certificate, Helene was Jewish and Alfred was Evangelical.

According to son Freidrich's 1903 birth certificate, both Helene and Alfred were Evangelical.