- Discipline: Eventing
- Height: 16.3hh
- Stud Fee: P.O.A
- Breed: Irish Draught X Thoroughbred
- Colour: Black
- Year of Birth: 1984
- Tel: 01884 861024
- Web: www.grafhamstud.co.uk/jumbo.php
Jumbo has sired Badminton, Burghley, Bramham and Blenheim winners. He has got 27 Advanced eventers in the UK, 7 graded stallions, Grade A showjumpers in the UK, USA, Zimbabwe and South Africa, Grand Prix winning dressage horses as well as champion youngstock including winners at the Royal. His daughter, Headley Brittania, was a member of the Silver medal winning team at the 2008 Olympics in Hong Kong.
Jumbo himself is an International Advanced Eventer with many wins including the prestigious Young Horse Trophy at Lion d’Angers (France) in 1991 and winning the Dressage and Showjumping Championships at Blenheim. He whipped in with the Bicester Hunt and even did a Christmas pantomine with Carl Hester. As a 5 year old he won the Masterlock Potential Dressage Horse.
He is the leading British-based eventing sire today with the added bonus of an outstanding kind, laid back temperament which he passes onto all of his stock. His fertility rate in 2009 was 98% for fresh and chilled semen and 100% for frozen semen.