Judith is een dochter van Izaak Mozes Sax en Esther Bak. Ze trouwde 2 december 1915 met Paulus Ludovicus Antonius Rudolphus van Baer (23 jaar, geboren in Amsterdam), zoon van Paulus Antonius Rudolphus van Baer en Johanna Pellina van Doorn.
Bron wiewaswie.nl (huwelijk Judith Sax)
We have been unable to determine whether one or more members of this family survived the war. While their names do not appear on the lists of survivors, we have not been able to trace them in In Memoriam either. They are therefore labeled as 'surviving' and their names are not listed.