siblings of Cutlass xx

half siblings maternal 2 half siblings paternal 79

half siblings maternal

horse Secretary of War xx (Thoroughbred, 1976, from Secretariat xx)

Secretary of War xx
gender-male
1976

Secretariat xx / Dunce xx

broodmare Nosey Nan xx (Thoroughbred, 1967, from Nantallah xx)

Nosey Nan xx
gender-female
1967

Nantallah xx / Dunce xx