siblings of Derring-Doe xx

half siblings maternal 2 half siblings paternal 78

half siblings maternal

broodmare Sanction xx (Thoroughbred, 1912, from Santoi xx)

Sanction xx
gender-female
1912

Santoi xx / Tarporley xx

broodmare Double Quick xx (Thoroughbred, 1917, from Bachelor's Double xx)

Double Quick xx
gender-female
1917

Bachelor's Double xx / Tarporley xx