| # | Children | Name | Born | Died | Father | Mother |
| 1 | | | b. 1851 | d. 1905 | Robert Montgomery, Sr | Eliza Ann Flint |
| 2 | Yes | | b. 7 Feb 1853 | d. 23 Sep 1934 | Robert Montgomery, Sr | Eliza Ann Flint |
| 3 | | | b. 1855 | | Robert Montgomery, Sr | Eliza Ann Flint |
| 4 | | | b. 19 Jun 1857 | d. 29 Jan 1933 | Robert Montgomery, Sr | Eliza Ann Flint |
| 5 | | | b. 1859 | | Robert Montgomery, Sr | Eliza Ann Flint |
| 6 | Yes | | b. 10 May 1859 | d. 4 Feb 1943 | Robert Montgomery, Sr | Eliza Ann Flint |
| 7 | | | b. 1861 | | Robert Montgomery, Sr | Eliza Ann Flint |
| 8 | | | b. 1863 | | Robert Montgomery, Sr | Eliza Ann Flint |
| 9 | | | b. 14 Jul 1864 | d. 13 Mar 1879 | Robert Montgomery, Sr | Eliza Ann Flint |
| 10 | | | b. 2 Feb 1869 | d. 29 Mar 1947 | Robert Montgomery, Sr | Eliza Ann Flint |
| 11 | | | b. 1872 | | Robert Montgomery, Sr | Eliza Ann Flint |
| 12 | | | b. 27 Jan 1878 | d. 31 Jan 1954 | Robert Montgomery, Sr | Eliza Ann Flint |