Linwell's great grandfather on his sire's side was Gainsborough, a racehorse who won the English Triple Crown in 1918.
Pedigree of Linwell (IRE), bay gelding, 1948 Orwell (GB)
1929 Gainsborough Gainsborough (19151945) was a British bred Thoroughbred racehorse who won the English Triple Crown in 1918 and became a superior sire. 
