siblings of Islay xx

half siblings maternal 3 half siblings paternal 10
  half siblings maternal (3)
  half siblings maternal (3)
  half siblings paternal (10)

half siblings maternal

broodmare Pladda xx (Thoroughbred, 1926, from Phalaris xx)

Pladda xx
gender-female
1926

Phalaris xx / Bayardo xx

broodmare Brodick Bay xx (Thoroughbred, 1922, from Swynford xx)

Brodick Bay xx
gender-female
1922

Swynford xx / Bayardo xx

broodmare California xx (Thoroughbred, 1929, from Colorado xx)

California xx
gender-female
1929

Colorado xx / Bayardo xx