siblings of Alcastus xx

half siblings maternal 3 half siblings paternal 74

half siblings maternal

broodmare Sailanna xx (Thoroughbred, 1956, from Sailing Light xx)

Sailanna xx
gender-female
1956

Sailing Light xx / Bois Roussel xx

broodmare Courtesan xx (Thoroughbred, 1957, from Supreme Court xx)

Courtesan xx
gender-female
1957

Supreme Court xx / Bois Roussel xx

broodmare Shirley Pat xx (Thoroughbred, 1951, from Roi de Navarre xx)

Shirley Pat xx
gender-female
1951

Roi de Navarre xx / Bois Roussel xx