I am a Delcour myself. Theonly thing I know is that my father was Howard H Delcour born in 1918, in Ill. He Pasted away in 2005. my mother was married to him for only a few years. they were divorced around 1973. they had two children together,Michael and Peggy (me). Michael has two children, Anthony and Kenneth. I have three children Desiree, Kayla, and Brandon.this is all the info i have i would like to get a hold of that book by Mary Delcour.