Biography
Frederick Martin Williams, 2nd Baronet Williams of Tregullow in the County of Cornwall, was born 25 January 1830 in Gwennap, Cornwall, England, United Kingdom to William Williams, 1st Bt. (1791-1870) and Caroline Eales (1796-1886) and died 3 September 1878 Heanton Court, Barnstaple, Devon, England, United Kingdom of unspecified causes. He married Mary Christian Law (-1892) 10 June 1858 in Christian Malford, Wiltshire, England, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| Caroline Sydney Williams (1859-1933) | |||
| William Robert Williams, 3rd Bt. (1860-1903) | 21 February 1860 Tregullow, Gwennap, Cornwall, England, United Kingdom | 16 May 1903 Oare House, Lynton, Devon, England, United Kingdom | Matilda Frances Beauchamp (1859-1946) |
| Mary Christian Williams (1861-1922) | |||
| Frederick Law Williams, 7th Bt. (1862-1921) | 10 May 1862 | 20 December 1921 | Emily Reid (-1959) |
| Beatrice Julia Williams (1863-1951) | |||
| Edward Harvey Williams (1865-1938) | |||
| Leonard Alfred Williams (1867-1956) | |||
| Claude Albert Williams (1870-1880) | |||
| Ernest Martyn Williams (1871-1926) | |||
| Victor George Williams (1874-1944) | |||
| Bertram Leopold Williams (1878-1962) | |||
Footnotes (including sources)
| ‡ General |