siblings of Devil's Thumb xx

half siblings paternal

horse Lydia xx (Thoroughbred, 1944, from Grand Slam xx)

Lydia xx

stallion Piet xx (Thoroughbred, 1945, from Grand Slam xx)

Piet xx

broodmare By Me xx (Thoroughbred, 1946, from Grand Slam xx)

By Me xx

broodmare Extra Tricks xx (Thoroughbred, 1945, from Grand Slam xx)

Extra Tricks xx

broodmare Grand Mary xx (Thoroughbred, 1941, from Grand Slam xx)

Grand Mary xx

broodmare Contenta xx (Thoroughbred, 2007, from Grand Slam xx)

Contenta xx

broodmare Grand League xx (Thoroughbred, 1945, from Grand Slam xx)

Grand League xx