Siblings of First One xx

Half-siblings Sire line

Broodmare Lady Bounty xx (English Thoroughbred, 1943, from Suzerain xx) - unknown

Lady Bounty xx
gender-female
1943

Suzerain xx / Royal Dancer xx

Horse Son of a Gun xx (English Thoroughbred, 1944, from Suzerain xx) - unknown

Son of a Gun xx
gender-male
1944

Suzerain xx / Dastur xx