bred by William Tuffnell Jolliffe, Esq., of Nunmonkton, near York; The General Stud Book, 1793, Vol.1, p.177 (NORTHUMBERLAND MARE); The Turf Register and Sportsman..., 1822, p.132-136 (MORTONIA- her family and racing career/POSTHUMOUS);
After his racing career he was a stallion;
b. C, THOROUGHBRED, 1781
