siblings of Galloper King xx

half siblings maternal 2 half siblings paternal 24

half siblings maternal

stallion Monarch xx (Thoroughbred, 1918, from Tracery xx)

Monarch xx
gender-male
1918

Tracery xx / Black Duck xx

broodmare Tetrarch's Maid xx (Thoroughbred, 1920, from The Tetrarch xx)

Tetrarch's Maid xx
gender-female
1920

The Tetrarch xx / Black Duck xx