| |
| + | 1. Antonius Johannes Coenradus Cornelis Jonai, 24 Feb 1898, Rotterdam, NL 7 Jan 1970, Tilburg, NL ( 71 ) |
| + | 2. Elisabeth Josephina Jacoba Maria Jonai, 5 Aug 1899, Rotterdam, NL 5 Jul 1942, Rosmalen, NL ( 42 ) |
| | 3. Cornelia Elizabeth Johanna Maria Jonai, 31 Jan 1901, Leeuwarden, NL 21 Mar 1918, Utrecht, NL ( 17 ) |
| | 4. Wilhelmina Hendrika Alida Gijsbertha Jonai, 1 Apr 1903, Rotterdam, NL 1 Nov 1996 ( 93 ) |
| | 5. Jacoba Antonia Maria Johanna Jonai, 23 Dec 1905, Utrecht, NL 10 Apr 1993 ( 87 ) |
| | 6. Alida Antonia Johanna Maria Jonai, 24 Apr 1911, Utrecht, NL 9 Jul 1939, Utrecht, NL ( 28 ) |
|