siblings of Straight Sequence xx

half siblings maternal 2 half siblings paternal 19
  half siblings maternal (2)
  half siblings maternal (2)
  half siblings paternal (19)

half siblings maternal

broodmare Poker Dice xx (Thoroughbred, 1945, from Denturius xx)

Poker Dice xx
gender-female
1945

Denturius xx / Flying Orb xx

broodmare Quivering xx (Thoroughbred, 1937, from Caerleon xx)

Quivering xx
gender-female
1937

Caerleon xx / Flying Orb xx