The daughter of
agnostic parents, she was born in
Liège. Her father, a lawyer, was accused of embezzlement and fled to
Greece; her mother Jeanne Fouassin disappeared and she was raised by her mother's parents. After completing her studies at a
Catholic secondary school, she converted to Catholicism. She continued her studies at the
Université de Louvain. Cappe began work as a journalist, as an editor for
Le Vingtième Siècle from 1924 to 1928 and for
La Nation belge from 1928 to 1955. From July 1927 to January 1928, she was editor-in-chief for
La femme belge. Around the same time, she married Fernand Desonay, a Belgian academic. Cappe helped found Scriptores catholici in 1934. in
Brussels at the age of 61. == References ==