Children |
| 1. Leffingwell, Cynthia B, b. 5 Jan 1832, Colchester, New London, Connecticut, USA , d. 1902, Petaluma, Sonoma, California, USA (Age 69 years) |
| 2. Leffingwell, Joseph Lyman, b. 17 Feb 1834, Colchester, New London, Connecticut, USA |
| 3. Leffingwell, Roxana Matilda, b. 2 May 1837, Connewango, , New York, USA , d. 29 Oct 1913, Cambria, San Louis Obispo, California, USA (Age 76 years) |
| 4. Leffingwell, Caroline M, b. 2 Sep 1839, Cattaraugus, Cattaraugus, New York, USA , d. 12 Dec 1911, Cambria, San Louis Obispo, California, USA (Age 72 years) |
| 5. Leffingwell, Mary J, b. 5 Mar 1841, Montrose, Lee, Iowa, USA , d. 19 Apr 1936, Sabastopol, , California, USA (Age 95 years) |
| 6. Leffingwell, William, b. 27 Jun 1843, Montrose, Lee, Iowa, USA , d. 11 Oct 1913, Cambria, San Louis Obispo, California, USA (Age 70 years) |
| 7. Leffingwell, Adam, b. 29 Jul 1845, Montrose, Lee, Iowa, USA , d. 14 Aug 1882, Cambria, San Louis Obispo, California, USA (Age 37 years) |
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