Esther and Antje van Boele were sisters
Phocas Kroon, De joodse gemeenschap van Eindhoven, 1940-1945 (2003, in eigen beheer uitgegeven) p 15, 55
In addition, Jokos files (numbers 54051, 54049) on this household or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.