- 1 Yves Boschat (1803- ) (St Brieuc) m Jeanne Yvonne Le Cardinal (1797- ) d of Francois (1752- ) and Marguerite Tano (1763- )
- 2 Yves Francois Jean Boschat (1823- ) m (1854, St Brieuc) Yvonne Gabrielle Hellio (1828- )
- 3 Yves Marie Boschat (1857- ) [1] m (1886) Philomene Louise Courcoux (1866- )
- 3 Francois Pierre Boschat (1859- ) m (1900) Marie Francoise Derrien (1861- )
- 3 Honore Marie Boschat (1863-1928) (St Brieuc) [2] m 1 (1889, St My) Adeline Blanchard (1870- ) [3]
- 4 Marianne Boschat (1884-1955)
- 4 Frank Marie Boschat (1886- ) m (1928, All Saints) Florence Matilda Watkins, daughter of Thomas John
- 4 Francis Marie Boschat (1887- ) [4] m (1912, St H) Alice Jane Palmer (1891- )[5] daughter of Edmund James [6]
- 4 Louisa Marie Boschat (1891- )
- 4 Honore Yves Boschat (1892- ) m Alice Marie Le Lai (1904- )
- 5 Honore Yves Boschat (1930-1945)
- 4 Marie Anne Boschat (1892- ) m Joseph Marie Le Louarn
- 4 Joseph Marie Boschat (1893-1936) [7] m (1916, St H) Jessie Bisson (1895-1982)
- 4 Jean Louis Boschat (1894-1938) m Marie Philomene Le Thao (1894-1971)
- 5 Cyril Boschat (1923-2007)
- 4 Germaine Augustine Boschat (1896-1989)
- 4 Elsie Boschat (1899- )
- 2nd wife of Honore Marie Boschat (1904) Marie Francoise Alnet (1864- )[10]
- 3 Joseph Boschat (1865- )
- 3 Jean Marie Boschat (1866- )
- 3 Anne Marie Boschat (1869- )
- 2 Jean Marie Boschat (1842- )
- 2 Yves Francois Jean Boschat (1823- ) m (1854, St Brieuc) Yvonne Gabrielle Hellio (1828- )