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Prof Dr Philippus Jacobus Idenburg, birth 1902 Hillegersberg
to: Margaretha Jacoba Johanna ( Karry ) Kohnstamm, birth 1905 Amsterdam, died 26 Sep 1956 Wassenaar, daughter of Prof Philipp Abraham Kohnstamm and Johanna Hermana (An) Kessler |
| 1) Prof Dr Peter Johannes Idenburg |