siblings of Shackle xx

  half siblings maternal (5)
  full siblings (1)
  half siblings maternal (5)
  half siblings paternal (7)

half siblings maternal

broodmare Otra xx (Thoroughbred, 1936, from Equipoise xx)

Otra xx

broodmare Dipsy Doodle xx (Thoroughbred, 1937, from Equipoise xx)

Dipsy Doodle xx

broodmare Fishwife xx (Thoroughbred, 1938, from Halcyon xx)

Fishwife xx

horse Nasophar xx (Thoroughbred, 1946, from Mahmoud xx)

Nasophar xx

horse Tiens xx (Thoroughbred, 1934, from Pennant xx)

Tiens xx