Claim: Sheikh Albadou was bred from an American-bred sire and a British-bred dam.
Evidence: He was sired by Green Desert out of the Welsh Pageant mare Sanctuary. Green Desert (16 April 1983 – 9 September 2015) was an American-bred, British-trained Thoroughbred racehorse and sire. 
Sire
Green Desert (USA)
1983 Dam
Sanctuary (GB)
1979