siblings of Cocksure xx

full siblings 2 half siblings maternal 2 half siblings paternal 14

full siblings

horse Decision xx (Thoroughbred, 1907, from Count Schomberg xx)

Decision xx
gender-male
1907

Count Schomberg xx / Surefoot xx

broodmare Assurance xx (Thoroughbred, 1910, from Count Schomberg xx)

Assurance xx
gender-female
1910

Count Schomberg xx / Surefoot xx