siblings of Dual xx

half siblings maternal 2 half siblings paternal 43

half siblings maternal

broodmare Sonsa xx (Thoroughbred, 1953, from Hyperion xx)

Sonsa xx
gender-female
1953

Hyperion xx / Nearco xx

broodmare Two Fold xx (Thoroughbred, 1955, from Hyperion xx)

Two Fold xx
gender-female
1955

Hyperion xx / Nearco xx