siblings of Hardboy xx

half siblings maternal 2 half siblings paternal 1

half siblings maternal

stallion Ishan xx (Thoroughbred, 1958, from Nantallah xx)

Ishan xx
gender-male
1958

Nantallah xx / Hill Prince xx

broodmare Windmill Hill xx (Thoroughbred, 1970, from Hul A Hul xx)

Windmill Hill xx
gender-female
1970

Hul A Hul xx / Hill Prince xx