Josiah Alden, Jr. was born circa 1773 in Bridgewater, Plymouth County, Massachusetts to Josiah Alden (1738-) and Bathsheba Jones (1740-1833) and died 3 September 1833 Massachusetts of unspecified causes. He married Olivet Brown (1773-) 17 June 1792 in Hampden County, Massachusetts, United States.
Children
| Name | Birth | Death | Joined with |
| Azel Alden (1792-1860) | |||
| Justus Brown Alden (1793-1831) | |||
| Zenas Alden (1795-1840) | |||
| Charity Alden (1797-1829) | |||
| Washington Brown Alden (1799-1859) | 14 July 1799 Ludlow, Hampden County, Massachusetts | 5 August 1859 Ludlow, Hampden County, Massachusetts | Hannah Bartlett (1805-) |
| Charles Alden (1803-1862) | |||
| John Brown Alden (1806-1869) | |||
| Orsamus Alden (1808-1878) | |||
| Mary Alden (1810-1877) | |||
| Eunice Alden (1813-1863) | |||
Siblings
| Name | Birth | Death | Joined with |
| Eijah Alden (1762-1843) | |||
| Azel Alden (1764-1854) | |||
| Josiah Alden (1766-) | |||
| Abiah Alden (1767-1798) | |||
| Charity Alden (1768-1833) | |||
| Rebecca Alden (1768-) | |||
| Azel Alden (1770-) | |||
| Josiah Alden (1773-1833) | 1773 Bridgewater, Plymouth County, Massachusetts | 3 September 1833 Massachusetts | Olivet Brown (1773-) |
| Lucy Alden (1774-1858) | |||
| Bathsheba Alden (1775-1841) | |||
| Benjamin Alden (1781-1861) | |||