- Born on March 25, 1864 in Lorient
- Deceased on June 16, 1922 in Brussels, at the age of 58 years
Parents
- Octave Montrelay (1834 - 1908), notaire et banquier à Lorient, administrateur de la Banque de France et de la Caisse d'épargne de Lorient
- Thérèse Jullien (1844 - 1910)