To which religious order did XXX belong?
The Singing Nun
Jeanne Deckers (17 October 1933 -- 29 March 1985), aka Jeannine Deckers, better known as Sœur Sourire (``Sister Smile'', often credited as The Singing Nun in English-speaking countries), was a Belgian singer-songwriter and initially a member of the Dominican Order in Belgium as Sister Luc-Gabrielle.