siblings of Blue Dun xx

half siblings maternal

stallion Blue Ensign xx (Thoroughbred, 1919, from The Tetrarch xx)

Blue Ensign xx

broodmare Teresina xx (Thoroughbred, 1920, from Tracery xx)

Teresina xx

horse Blue Flame xx (Thoroughbred,  , from Phalaris xx)

Blue Flame xx

stallion Westward Ho xx (Thoroughbred, 1918, from Swynford xx)

Westward Ho xx

stallion Wigstone xx (Thoroughbred, 1915, from Bayardo xx)

Wigstone xx

broodmare Miss Grits xx (Thoroughbred, 1913, from Symington xx)

Miss Grits xx