siblings of Post Card xx

half siblings maternal 4 half siblings paternal 3

half siblings maternal

stallion One Count xx (Thoroughbred, 1949, from Count Fleet xx)

One Count xx
gender-male
1949

Count Fleet xx / Case Ace xx

broodmare Easter Card xx (Thoroughbred, 1956, from Errard xx)

Easter Card xx
gender-female
1956

Errard xx / Case Ace xx

horse Yildiz xx (Thoroughbred, 1948, from Mahmoud xx)

Yildiz xx
gender-male
1948

Mahmoud xx / Case Ace xx

broodmare Roodles xx (Thoroughbred, 1952, from Princequillo xx)

Roodles xx
gender-female
1952

Princequillo xx / Case Ace xx