Marguerite Grehan
- Born on November 10, 1869 in Lorient
Parents
- Albert Grehan (1837 - 1906), capitaine d'artillerie, consul de Siam à Paris
- Angèle Courtin de Torsay (1849 - 1929)
Family
- Married on October 30, 1893 in Paris, with Eugène Chastel (1866 - 1934)