Children |
| 1. Richard Trethewey, b. 1819, St Stephen In Brannel, Cornwall, England |
| 2. John Trethewey, b. 1820, St Stephen In Brannel, Cornwall, England |
| 3. Elizabeth Trethewey, b. 1821, St Stephen In Brannel, Cornwall, England |
| 4. George Hicks Trethewey, b. 1822, St Stephen In Brannel, Cornwall, England |
| 5. Samuel Trethewey, b. 1823, St Stephen In Brannel, Cornwall, England |
| 6. Mary Jane Trethewey, b. 1826, St Stephen Cornwall, England , d. 4 Feb 1885, 55 Fore Street, Saltash, Cornwall, (Age 59 years) |
| 7. Catherine Trethewey, b. 1827, St Stephen In Brannel, Cornwall, England |
| 8. Nancy Trethewey, b. 1829, St Stephen In Brannel, Cornwall, England , d. 1850, St Stephen In Brannel, Cornwall, England (Age 21 years) |
| 9. Louisa Trethewey, b. 1831, St Stephen In Brannel, Cornwall, England |
| 10. William Trethewey, b. 1833, St Stephen In Brannel, Cornwall, England |
| 11. James Trethewey, b. 1834, St Stephen In Brannel, Cornwall, England |
| 12. Lavina Trethewey, b. 1837, St Stephen In Brannel, Cornwall, England |
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