Parents
- Achille Seillière (1813 - 1873), baron Seillière, banquier
- Camille Zoé Bordères-Seillière (1821 - 1866)
Family
- Married with Blanche Alexandre (1845 - ), issuing
Jeanne (1874 - )
- Married on April 22, 1892 in New York City, with Emma Ricley ( - 1928)
- Relationship with Hélène Orzegowska (c. 1863 - )
Occupations
- banquier