| Father | John T Rowlands jr (1815 - 1890) |
| Mother | Margaret Davis (1822 - 1885) |
| Sibling | Margaret Ann Rowlands (1840 - 1842) |
| Sibling | Margaret A Rowlands (1843 - 1873) |
| Sibling | John E Rowlands (1845 - 1917) |
| Sibling | William D Rowlands (1847 - 1864) |
| Sibling | Mary Ann Rowlands (1849 - ) |
| Sibling | Rachel Jane Rowlands (1850 - 1898) |
| Sibling | George B Rowlands (1851 - ) |
| Sibling | Thomas J Rowlands (1854 - ) |
| Sibling | Elinor Rowlands (1857 - 1885) |
| Sibling | Elizabeth Rowlands (1859 - 1879) |
| Sibling | Benjamin Rowlands (1861 - 1861) |
| Sibling | Ellsworth A Rowlands (1863 - 1927) |
| Sibling | Sarah M Rowlands (1866 - 1906) |