The best horses to descend from Ann of the Forest include the magnificent Gladiateur (1865 2000 Guineas, Derby, St Leger, Grand Prix de Paris, 1866 Claret Stakes, Ascot Gold Cup), Althorp (1886 Ascot Gold Cup), Kirkconnel (1895 2000 Guineas), Strip the Willow (1932 Prix du Jockey Club), Godiva (1940 1000 Guineas, Oaks), Sapotille (1941 Prix de Diane), Windsor Slipper (1942 Irish 2000 Guineas, Derby, St Leger), Val De Loir (1962 Prix du Jockey Club), Valoris (1966 Oaks, Irish 1000 Guineas), Roi Lear (1973 Prix du Jockey Club), Petoski (1985 King George VI and Queen Elizabeth Stakes), St. Jovite (1992 Irish Derby, King George and Queen Elizabeth Stakes),

Golan (2001 2000 Guineas, 2002 King George VI and Queen Elizabeth Stakes), Farda Amiga (2002 Kentucky Oaks, Alabama Stakes), North Light (2004 Derby), Big Brown (2008 Kentucky Derby, Preakness Stakes) and many other worldwide classic winners

See The Massey Mare, Foundation Mare Family 5, for mtDNA errors identified affecting family 5-h