AKA MAGNUMBONUM
bred by Rev. Mr. Hewgill, of Hornby-Grange, near North-Allerton. Was sold to Mr. William Bethell Esq., of Rise in Holderness. Said was sent to Russia after 1785, but was sent to USA.
The General Stud Book, 1793, Vol.1, p.258 (SWIFT MARE); The Turf Register And Sportsman And Breeder's Stud Book, 1822, Vol. 3, p.20/21 - He served few mares besides Mr. Bethell's Stud...; Bruce's American Stud Book, 1878, Vol.1, (A-L), p.35, imported by Freeman Kelborn, of Hartford, Conn