siblings of Sea Tycoon xx

half siblings paternal

broodmare Sweet Harvest xx (Thoroughbred, 1974, from Tycoon II xx)

Sweet Harvest xx

horse Needwood Forest xx (Thoroughbred, 1983, from Tycoon II xx)

Needwood Forest xx

stallion Duke of Durness xx (Thoroughbred, 1978, from Tycoon II xx)

Duke of Durness xx

broodmare Lady Marrick xx (Thoroughbred,  , from Tycoon II xx)

Lady Marrick xx