- 1 John Cayzer m (1766, Bodmin, Cornwall) Frances Whitter (1744- )
- 2 William Cayzer (1770-1850) (Bodmin) m (1797, Cornwall) Grace May Pitt (1774-1835), d of John (1740- ) and Mary Butler (1740- )
- 3 William Cayzer (1798- ) to Jersey m (1834, St Helier) Mary Ann Drillot (Gsy)
- 4 William Henry Cayzer (1835- )
- 4 Mary Ann Cayzer (1836- )
- 4 William Henry Cayzer (1839- )
- 4 John Adolphus Cayzer (1841- )
- 4 John William Cayzer (1846- )
- 3 Henry Cayzer (1807-1863) m (1850, London) Jane Rush (1806- )
- 4 Harriet Charlotte Cayzer (1836-1919)
- 4 John William Cayzer (1838-1870)
- 4 Margaret Cayzer (1840- )
- 3 William Cayzer (1798- ) to Jersey m (1834, St Helier) Mary Ann Drillot (Gsy)
- 2 John Cayzer (1768-1850) m Agnes Moone (1773-1852)
- 3 Richard Moone Cayzer (1802- )
- 3 Jane Moon Cayzer (1803- )
- 3 Agnes Cayzer (1806- )
- 3 John Cayzer (1808-1811)
- 3 William Cayzer (1809- )
- 3 John Whitter Cayzer (1811-1866)
- 3 Elizabeth Cayzer (1813- )
- 3 Herbert Cousins Cayzer (1819-1871)
- 3 Henry Cayzer (1821-1865) to Jersey m (1836, St H) Ann Goodwin (1818- )
- 4 Marie Cayzer (1836-1910)
- 4 John Henry Cayzer (1838- )
- 4 Joseph Samuel Cayzer (1840- )
- 4 Eliza Cayzer (1844- )
- 4 Henry Cayzer (1845- )
- 4 Henry Cayzer (1846- )
- 4 Nicholas Cayzer (1847- )
- 4 Gertrude Cayzer (1848- )
- 4 Richard Moon Cayzer (1850- )
- 4 Jane Hanna Cayzer (1852- )
- 4 Gertrude Cayzer (1855- )
- 2 William Cayzer (1770-1850) (Bodmin) m (1797, Cornwall) Grace May Pitt (1774-1835), d of John (1740- ) and Mary Butler (1740- )