siblings of Proposition xx

half siblings maternal 2 half siblings paternal 10

half siblings maternal

broodmare Proxime xx (Thoroughbred, 1899, from Best Man xx)

Proxime xx
gender-female
1899

Best Man xx / Speculum xx

horse Speculatrix xx (Thoroughbred, 1887, from Duke of Athol xx)

Speculatrix xx
gender-female
1887

Duke of Athol xx / Speculum xx