siblings of Understudy xx

half siblings maternal 6 half siblings paternal 10

half siblings paternal

broodmare Ruby Nethersole xx (Thoroughbred, , from Star Ruby xx)

Ruby Nethersole xx
gender-female

Star Ruby xx / Tournament xx

broodmare Liberty Star xx (Thoroughbred, 1902, from Star Ruby xx)

Liberty Star xx
gender-female
1902

Star Ruby xx / unknown

stallion Sombrero xx (Thoroughbred, 1899, from Star Ruby xx)

Sombrero xx
gender-male
1899

Star Ruby xx / Sir Modred xx

horse Rubio xx (Thoroughbred, 1898, from Star Ruby xx)

Rubio xx
gender-male
1898

Star Ruby xx / Sir Modred xx

broodmare Toucan xx (Thoroughbred, 1908, from Star Ruby xx)

Toucan xx
gender-female
1908

Star Ruby xx / St Blaise xx

broodmare Subdue xx (Thoroughbred, 1900, from Star Ruby xx)

Subdue xx
gender-female
1900

Star Ruby xx / Kyrle Daly xx

broodmare Star Chime xx (Thoroughbred, 1897, from Star Ruby xx)

Star Chime xx
gender-female
1897

Star Ruby xx / Mortemer xx

stallion Mentone xx (Thoroughbred, 1897, from Star Ruby xx)

Mentone xx
gender-male
1897

Star Ruby xx / Billet xx

horse Dominguito xx (Thoroughbred, 1909, from Star Ruby xx)

Dominguito xx
gender-male
1909

Star Ruby xx / Watercress xx

stallion Voltige xx (Thoroughbred, , from Star Ruby xx)

Voltige xx
gender-male

Star Ruby xx / unknown