when did st gertrude live?
Gertrude the Great. Gertrude the Great (or Saint Gertrude of Helfta) (Italian: Santa Gertrude) (January 6, 1256 â ca. 1302) was a German Benedictine, mystic, and theologian. She is recognized as a saint by the Roman Catholic Church, and is inscribed in the General Roman Calendar, for celebration throughout the Latin Rite on November 16.