siblings of Orthos xx

half siblings paternal

broodmare Orby Lass xx (Thoroughbred, 1918, from Orby xx)

Orby Lass xx

stallion Athlone xx (Thoroughbred, 1915, from Orby xx)

Athlone xx

horse Glanmerin xx (Thoroughbred, 1916, from Orby xx)

Glanmerin xx

broodmare Rose Window xx (Thoroughbred, 1915, from Orby xx)

Rose Window xx

broodmare Orcelone xx (Thoroughbred, 1918, from Orby xx)

Orcelone xx

broodmare Listening Ears xx (Thoroughbred, 1915, from Orby xx)

Listening Ears xx

stallion Glencairn xx (Thoroughbred, 1910, from Orby xx)

Glencairn xx

broodmare Parella xx (Thoroughbred, 1917, from Orby xx)

Parella xx

broodmare Wetonah xx (Thoroughbred, 1916, from Orby xx)

Wetonah xx

broodmare Orlinda xx (Thoroughbred, 1910, from Orby xx)

Orlinda xx

horse Oklahoma xx (Thoroughbred, 1914, from Orby xx)

Oklahoma xx

broodmare Red Orb xx (Thoroughbred, 1915, from Orby xx)

Red Orb xx