The Londonderry Horse Breeding Society (Northern Ireland) hired Johnston Realisation in 1962, as did the Lanark Horse Breeding Society in 1963. He spent some time on the Isle of Man, where he bred Shire mares under the name of a Shire stallion. His registered Clydesdale offspring and his Clydesdale x Shire crossbreds, registered as pedigreed Shires won Johnston Realisation acclaim in heavy horse circles. They were dr
Taken from:- https://www.drafthorsejournal.com/read/winter2007-2008/feature