Son-in-Law (22 April 1911 – 15 May 1941) was a British

Thoroughbred The Thoroughbred is a horse breed best known for its use in horse racing. Although the word ''thoroughbred'' is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed. Thoroughbreds are ...

racehorse and an influential sire, especially for

sport horse A sport horse or sporthorse is a type of horse, rather than any particular breed. The term is usually applied to horses bred for the traditional Olympic equestrian sporting events of dressage, eventing, show jumping, and combined driving, but ...

s. The National Horseracing Museum says Son-in-Law is "probably the best and most distinguished stayer this country has ever known.

Described as "one of the principal influences for stamina in the modern thoroughbred" in ''Ulbrich's Peerage of Racehorses'', Son-in-Law is seen in the pedigree of many of the top 100 show jumping, show jumpers, particularly those of

Holstein Holstein (; nds, label=Northern Low Saxon, Holsteen; da, Holsten; Latin and historical en, Holsatia, italic=yes) is the region between the rivers Elbe and Eider. It is the southern half of Schleswig-Holstein, the northernmost state of German ...

heritage. In 1924 and 1930, Son-in-Law was the leading sire in Great Britain and Ireland. His progeny include: * Foxlaw (1922-1935) - won 1927 Ascot Gold Cup * Straitlace (f. 1921) - won 1924

Epsom Oaks The Oaks Stakes is a Group 1 flat horse race in Great Britain open to three-year-old fillies. It is run at Epsom Downs over a distance of 1 mile, 4 furlongs and 6 yards ...

Coronation Stakes The Coronation Stakes is a Group 1 flat horse race in Great Britain open to three-year-old fillies. It is run at Ascot over a distance of 7 furlong and 213 yards (1,603 metres), and it is schedul ...

* Rustom Pasha - extremely important sire in Argentina * Suzerain (f. 1933) - third in 1937 Jockey Club Cup,

Doncaster Cup The Doncaster Cup is a Group 2 flat horse race in Great Britain open to horses aged three years or older. It is run at Doncaster over a distance of 2 miles 1 furlong and 197 yards (3,600 metr ...

* Trimdon (f. 1926) - won 1931-32 Ascot Gold Cup

References

Detailed profile of Son-in-Law at Thoroughbred Heritage

Son-in-Law's pedigree and partial racing stats

Son-in-Law's profile at the National Horseracing Museum, Newmarket

Ulbrich's Peerage of Racehorses
1911 racehorse births 1941 racehorse deaths Sport horse sires Racehorses trained in the United Kingdom Racehorses bred in the United Kingdom British Champion Thoroughbred Sires Thoroughbred family 5-d Chefs-de-Race {{Racehorse-stub