Henri Guillaume de Lancrau de Bréon

• 
• Born on May 29, 1842
• Deceased on October 7, 1907, at the age of 65 years

Parents

• Alphonse de Lancrau de Bréon (1809 - 1891), polytechnicien (X 1828)
• Claire de La Bourdonnaye-Blossac (1820 - 1881)