Léon Paul Piel
- Born on December 14, 1862 in Paris
Parents
- Alexandre François Piel (1828 - 1916), bijoutier
- Laure Melcion d'Arc (1840 - 1910)
Family
- Married on April 8, 1885 in Paris, with Adèle Victorine Jeanne Lestret (1865 - ), issuing
- Jacques (1889 - 1940)
- Gabriel Charles Jean (1891 - )
- Joseph Alfred Xavier (1892 - )
- Marie Robert André (1895 - )
- Pierre Alexandre Elophe Paul (1897 - )
Marie Madeleine Elisabeth (1900 - )- Marie Geneviève Jeanne (1904 - )