Betje is een dochter van Barend van Thijn en Roosje van Thijn. Ze trouwde 19 december 1929 met Jacob Jessurun (45 jaar, geboren in Amsterdam), zoon van Abraham Jessurun en Eva Kinsbergen.
Bron wiewaswie. nl (huwelijk Betje van Thijn en Jacob Jessurun)
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.