- 1 Francois Benest (1777-1849) (St O) son of Francois, son of Francois m Marie Le Gresley (1784- )
- 2 Francois Philippe Benest (1815-1892) (St O) [1] m (1837, St O) Catherine Anne Le Feuvre dit Filiastre (1816-1879), daughter of Philippe and Ann Vibert
- 3 Mary Ann Benest (1838- ) (St O) m Jean le Feuvre (1834- )
- 3 Francois Edouard Benest (1840-1886) (St O) m (1863, St S) Nancy Le Brocq (1835- ) (St O) daughter of Clement, son of Josue; and Nancy Perree
- 4 Francis Benest (1866- ) m (1855, St P) Amelia Jane Baudains (1859- )
- 5 Amelia Annie Benest (1889-1969)
- 4 Ann Jane Benest (1869- )
- 4 John Benest (1871– )
- 4 Francis Benest (1866- ) m (1855, St P) Amelia Jane Baudains (1859- )
- 3 Jane Benest (1843-1892) m John Ellis
- 3 Ann Benest (1844-1847)
- 3 Philippe Benest (1847-1873) Captain of Pride, lost at sea m Anne Brusey (1843- ) daughter of Samuel Brusey and Susan, possibly Susanne Le Gros
- 4 Ann Benest (1866-1936) (St B) m Thomas Dimmick (1860- ) (St O) son of Thomas Dimmick
- 5 Annie Benest (1889- )
- 5 Thomas George Benest (1890- )
- 4 Philip John Benest (1868- ) (St B) m (1887, St O) Elisa Ada Le Gresley (1867- )
- 5 Elsie Blanche Benest (1891- )
- 5 Hilda Eliza Benest (1897- )
- 4 John Benest (1872- ) (St O) m (1895, Caernarfon) Margaret Owen (1873- ) (Caernarfon)
- 5 Grace Ann Benest (1896-1945)
- 5 Louisa Benest (1898-1983)
- 5 Elizabeth Dedwydd Benest (1900-1983)
- 5 Philip Benest (1909-1989) m (1941) Glenys Pierce Jones (1913- )
- 6 David Benest (1943- ) contributor of tree
- 4 Ann Benest (1866-1936) (St B) m Thomas Dimmick (1860- ) (St O) son of Thomas Dimmick
- 3 John Benest (1848-1896) d Newfoundland m 1 Anne Elizabeth Blampied (1850- ) (St L) daughter of Elizabeth Blampied
- 4 Mabel Alice Benest (1876- )
- 4 John Francis Benest (1877- )
- 4 Florence Benest (1881- )
- 3 Second wife of John Benest (1884, Bridgend) Ann David (Porthcawl, South Wales) (1857-1892)
- 4 Annie Sophie Benest (1886- )
- 4 David Benet (1888- ) (name change) m Rose Rees ( -1933)
- 5 David Benet (1910- )
- 5 John Francis Benet (1912- )
- 5 Gertrude Benet (1917- )
- 5 Gwilym Benet (1919-1937)
- 3 Charles Benest (1851- ) [2]m (1872, St S) Mary Ann Henry (1848- )
- 4 Charles Henry Benest (1874- ) (St H) [3] m (1895, St S) Matilda Mary Le Roux (1874- ) daughter of Elias Alfred [4]
- 5 Cyril Charles Benest (1904- ) [5] m (1930, St P) Elsie May Egre (1907- )
- 6 Edward Charles Benest (1933-2000)
- 6 Diana Elsie Benest
- 5 Cyril Charles Benest (1904- ) [5] m (1930, St P) Elsie May Egre (1907- )
- 4 John Henry Benest (1879- ) (St H)
- 4 Mary Ann Benest (1881- ) (St H)
- 4 Charles Henry Benest (1874- ) (St H) [3] m (1895, St S) Matilda Mary Le Roux (1874- ) daughter of Elias Alfred [4]
- 3 Anne Benest (1854-1946)
- 2 Philippe Benest (1818- ) (St O) m (1852- ) Susanne Boudier (1826- )
- 3 Susanne Benest (1855- ) (St O)
- 3 Philippe Benest (1857- ) (St O)
- 3 Mary Ann Susan Benest (1860- ) (St O)
- 3 Susan Benest (1860- ) (St O)
- 2 Jean Benest (1821- ) (St O)
- 2 Francois Philippe Benest (1815-1892) (St O) [1] m (1837, St O) Catherine Anne Le Feuvre dit Filiastre (1816-1879), daughter of Philippe and Ann Vibert