siblings of Oil Slick xx

half siblings maternal 3 half siblings paternal 5

half siblings paternal

broodmare Grey Mahal xx (Thoroughbred, , from Oil Capitol xx)

Grey Mahal xx
gender-female

Oil Capitol xx / Bull Lea xx

broodmare Oil Queen xx (Thoroughbred, 1955, from Oil Capitol xx)

Oil Queen xx
gender-female
1955

Oil Capitol xx / Coldstream xx

broodmare Miss Willow xx (Thoroughbred, 1956, from Oil Capitol xx)

Miss Willow xx
gender-female
1956

Oil Capitol xx / Bull Dog xx

broodmare Mlle Somebody xx (Thoroughbred, 1956, from Oil Capitol xx)

Mlle Somebody xx
gender-female
1956

Oil Capitol xx / Blue Larkspur xx

broodmare Ruwenzori xx (Thoroughbred, 1956, from Oil Capitol xx)

Ruwenzori xx
gender-female
1956

Oil Capitol xx / Alibhai xx