siblings of Polar Myth xx

half siblings maternal 2 half siblings paternal 27

half siblings maternal

broodmare Byblis xx (Thoroughbred, 1961, from Grey Sovereign xx)

Byblis xx
gender-female
1961

Grey Sovereign xx / Caracalla xx

horse Branquia xx (Thoroughbred, 1953, from Brighton xx)

Branquia xx
gender-female
1953

Brighton xx / Caracalla xx