| Father | Michael PETRY Sr. (1797 - 1857) |
| Mother | Catherine PFOUTZ (1800 - 1881) |
| Sibling | David PETRY (1821 - 1875) |
| Sibling | John PETRY (1824 - 1906) |
| Sibling | Jacob R. PETRY (1825 - 1902) |
| Sibling | Mary PETRY (1827 - 1916) |
| Sibling | Michael F. "Big Mike and Sandy Bearded Mike" PETRY Jr. (1828 - 1899) |
| Sibling | Ephraim PETRY (1830 - 1907) |
| Sibling | Isaac PETRY (1832 - 1906) |
| Sibling | Elizabeth PETRY (1833 - 1921) |
| Sibling | Catherine PETRY (1835 - 1912) |
| Sibling | Simon PETRY (1838 - 1908) |
| Sibling | Sarah PETRY (1840 - 1930) |
| Sibling | Rebecca PETRY (1842 - 1910) |
| Sibling | Samuel Oscar PETRY (1844 - ) |