siblings of Colorado xx

full siblings 2 half siblings maternal 2 half siblings paternal 105

half siblings maternal

horse Overthrow xx (Thoroughbred, 1934, from Bosworth xx)

Overthrow xx
gender-male
1934

Bosworth xx / Chaucer xx

stallion Canaletto xx (Thoroughbred, 1929, from Gainsborough xx)

Canaletto xx
gender-male
1929

Gainsborough xx / Chaucer xx