siblings of Horizon xx

full siblings 1 half siblings maternal 3 half siblings paternal 2

half siblings paternal

horse Marca xx (Thoroughbred, 1877, from Landmark xx)

Marca xx
gender-female
1877

Landmark xx / Lord Clifden xx

broodmare Stute von Landmark xx (Thoroughbred, 1879, from Landmark xx)

Stute von Landmark xx
gender-female
1879

Landmark xx / Claret xx