Anna Keijl got married on 23 May 1928 in The Hague to Lion Kunstenaar, piano player. After her death, she was buried in the Jewish cemetery in Wassenaar.
M. Wolff, De nakomelingen van Wolff ben Eleazar en Moshe ben Gompertz Halevi, 1695-1995 (Arnhem, 2001) 511
In addition, a Jokos file (number 16387) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.