| # | Children | Name | Born | Died | Father | Mother |
| 1 | | | b. 1827 | | Reuben (Reubin) Cartwright TENNISON/DENNIS, Sr | Susan R DENNIS (Arnett) |
| 2 | | | b. 27 Jan 1828 | d. 21 Jan 1914 | Reuben (Reubin) Cartwright TENNISON/DENNIS, Sr | Susan R DENNIS (Arnett) |
| 3 | Yes | | b. 24 Mar 1830 | d. 5 Oct 1865 | Reuben (Reubin) Cartwright TENNISON/DENNIS, Sr | Susan R DENNIS (Arnett) |
| 4 | | | b. 17 Nov 1832 | d. 30 Dec 1917 | Reuben (Reubin) Cartwright TENNISON/DENNIS, Sr | Susan R DENNIS (Arnett) |
| 5 | | | b. 18 Aug 1835 | | Reuben (Reubin) Cartwright TENNISON/DENNIS, Sr | Susan R DENNIS (Arnett) |
| 6 | | | b. 9 Mar 1838 | | Reuben (Reubin) Cartwright TENNISON/DENNIS, Sr | Susan R DENNIS (Arnett) |
| 7 | Yes | | b. 5 Nov 1840 | d. 29 Jul 1938 | Reuben (Reubin) Cartwright TENNISON/DENNIS, Sr | Susan R DENNIS (Arnett) |
| 8 | | | b. 19 Jul 1843 | d. UNKNOWN | Reuben (Reubin) Cartwright TENNISON/DENNIS, Sr | Susan R DENNIS (Arnett) |
| 9 | | | b. 30 Jul 1846 | d. 15 Jun 1874 | Reuben (Reubin) Cartwright TENNISON/DENNIS, Sr | Susan R DENNIS (Arnett) |
| 10 | | | b. 2 Jun 1849 | | Reuben (Reubin) Cartwright TENNISON/DENNIS, Sr | Susan R DENNIS (Arnett) |
| 11 | Yes | | b. 11 May 1853 | d. 3 Oct 1942 | Reuben (Reubin) Cartwright TENNISON/DENNIS, Sr | Susan R DENNIS (Arnett) |