Born in Bourgourg (Nord), Grysleyn studied music at l'Institution des Jeunes Aveugles de Ronchin (Lille) and was awarded a prize for organ playing from the Conservatoire de Lille. He as appointed organist at the St. Waast church in Bethune.
According to this website, Gaston Gryseleyn was killed, still in his early twenties, in the very church of Saint Vaast, where he was organist, at the beginning of the 1914-18 World War.The following 1 pages are in this category, out of 1 total.