| # | Children | Name | Born | Died | Father | Mother |
|---|
| 1 | | | b. 29 Mar 1828 | d. 23 Apr 1849 | James Lewis Rowntree, Sr | Musidora Flack |
| 2 | | | b. 30 May 1829 | d. 23 Mar 1864 | James Lewis Rowntree, Sr | Musidora Flack |
| 3 | | | b. 8 Oct 1830 | d. 1888 | James Lewis Rowntree, Sr | Musidora Flack |
| 4 | | | b. 30 Nov 1831 | d. 26 Apr 1838 | James Lewis Rowntree, Sr | Musidora Flack |
| 5 | | | b. 6 Mar 1833 | d. 19 Nov 1849 | James Lewis Rowntree, Sr | Musidora Flack |
| 6 | | | b. 4 Jun 1834 | d. 4 Sep 1839 | James Lewis Rowntree, Sr | Musidora Flack |
| 7 | | | b. 18 Feb 1836 | d. 3 Oct 1933 | James Lewis Rowntree, Sr | Musidora Flack |
| 8 | | | b. 31 Oct 1837 | d. 11 Nov 1921 | James Lewis Rowntree, Sr | Musidora Flack |
| 9 | | | b. 1840 | d. 1849 | James Lewis Rowntree, Sr | Musidora Flack |
| 10 | | | b. 29 Jan 1842 | d. 19 May 1902 | James Lewis Rowntree, Sr | Musidora Flack |
| 11 | | | b. 10 Mar 1845 | d. 20 Feb 1936 | James Lewis Rowntree, Sr | Musidora Flack |
| 12 | | | b. 9 Dec 1846 | d. 20 Jul 1893 | James Lewis Rowntree, Sr | Musidora Flack |
| 13 | | | b. 22 May 1848 | d. 8 Jan 1933 | James Lewis Rowntree, Sr | Musidora Flack |
1807 - 1849 (42 years)