siblings of Beaufort Sea xx

half siblings maternal 3 half siblings paternal 53

half siblings maternal

stallion Aluminum xx (Thoroughbred, 1975, from Hail to Reason xx)

Aluminum xx
gender-male
1975

Hail to Reason xx / Alycidon xx

broodmare Prime Abord xx (Thoroughbred, 1967, from Primera xx)

Prime Abord xx
gender-female
1967

Primera xx / Alycidon xx

stallion Swift Swallow xx (Thoroughbred, 1977, from Northern Dancer xx)

Swift Swallow xx
gender-male
1977

Northern Dancer xx / Alycidon xx