siblings of His Royal Highness xx

half siblings paternal 3

half siblings paternal

stallion Seahorse xx (Thoroughbred, 1850, from Blackdrop xx)

Seahorse xx
gender-male
1850

Blackdrop xx / Priam xx

stallion Percy xx (Thoroughbred, 1856, from Blackdrop xx)

Percy xx
gender-male
1856

Blackdrop xx / Hetman Platoff xx

horse Apropros xx (Thoroughbred, 1855, from Blackdrop xx)

Apropros xx
gender-male
1855

Blackdrop xx / Touchstone xx