Claim: Linwell's great grandfather on his sire's side was Gainsborough, a racehorse who won the English Triple Crown in 1918.
Evidence: Pedigree of Linwell (IRE), bay gelding, 1948 Orwell (GB)
1929 Gainsborough Gainsborough (1915–1945) was a British bred Thoroughbred racehorse who won the English Triple Crown in 1918 and became a superior sire.