| Children |
| | 1. Anna M Koestler, b. 14 May 1893, Kaukauna, Outagamie, Wisconsin , d. 21 Oct 1985, Green Bay, Brown, Wisconsin (Age 92 years) |
| | 2. Mary Koestler, b. cir 1895, d. 28 Feb 1987, Maryland (Age ~ 92 years) |
| | 3. Josie Koestler, b. Dec 1896, d. 28 Feb 1987, Maryland (Age ~ 90 years) |
| | 4. Albert Joseph Koestler, b. 13 Oct 1897, Cato, Manitowoc Co, Wisconsin , d. 20 Oct 1972, Hayward, Sawyer Co, Wisconsin (Age 75 years) |
| | 5. Edward Joseph Koestler, b. 10 Aug 1899, Appleton, Outagamie, Wisconsin , d. 15 Sep 1986 (Age 87 years) |
| | 6. Katherina Koestler, b. 07 Sep 1903, Appleton, Outagamie, Wisconsin , d. 05 Jan 1904, Appleton, Outagamie, Wisconsin (Age 0 years) |
| | 7. Theresa Koestler, b. 07 Sep 1903, Appleton, Outagamie, Wisconsin , d. 05 Jan 1904, Appleton, Outagamie, Wisconsin (Age 0 years) |
| | 8. John Joseph Koestler, b. 05 Dec 1905, Appleton, Outagamie, Wisconsin , d. 27 Nov 1989, Appleton, Outagamie, Wisconsin (Age 83 years) |
| | 9. Anthony J Koestler, b. 21 Apr 1909, d. 28 Nov 1990, Franklin Park, Cook Co, Illinois (Age 81 years) |
| | 10. Leonard J Koestler, b. 06 Jan 1912, d. 02 Jul 1933 (Age 21 years) |
| | 11. Leona Agnes Koestler, b. 06 Jan 1912, Appleton, Outagamie, Wisconsin , d. 02 Sep 1969 (Age 57 years) |
| | 12. Lucille Koestler, b. 10 Jan 1915, Appleton, Outagamie, Wisconsin , d. 02 Aug 1970 (Age 55 years) |
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