Children |
| 1. Hendrik Willem Lanfermeijer, b. 8 Nov 1874, Amsterdam d. 27 Mar 1944, Amsterdam (Age 69 years) |
| 2. Casper Hendrik Lanfermeijer, b. 17 Jun 1877, Amsterdam d. 30 Sep 1877, Amsterdam (Age 0 years) |
+ | 3. Gerrit Jan Lanfermeijer, b. 17 Jun 1877, Amsterdam d. 31 Mar 1954, Amsterdam (Age 76 years) |
+ | 4. Lydia Christina Lanfermeijer, b. 6 Sep 1878, Amsterdam d. 6 Dec 1952, Amsterdam (Age 74 years) |
| 5. Casper Hendrik Lanfermeijer, b. 8 Dec 1880, Amsterdam d. 8 Mar 1969, Amsterdam (Age 88 years) |
| 6. Catharina Elisabeth Lanfermeijer, b. 6 Apr 1882, Amsterdam d. 19 Sep 1946, Amsterdam (Age 64 years) |
+ | 7. Gerard Lanfermeijer, b. 3 Mar 1886, Amsterdam d. 15 Feb 1959, Purmerend (Age 72 years) |
| 8. Johanna Lanfermeijer, b. 13 Oct 1888, Amsterdam d. 11 Nov 1955, Amsterdam (Age 67 years) |
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