siblings of Allerion xx

full siblings 1 half siblings maternal 5 half siblings paternal 9

half siblings maternal

stallion Castlereagh xx (Thoroughbred, 1875, from Speculum xx)

Castlereagh xx
gender-male
1875

Speculum xx / Birdcatcher xx

stallion Pace xx (Thoroughbred, 1865, from Caterer xx)

Pace xx
gender-male
1865

Caterer xx / Birdcatcher xx

broodmare Madame Spiers xx (Thoroughbred, 1874, from Parmesan xx)

Madame Spiers xx
gender-female
1874

Parmesan xx / Birdcatcher xx

broodmare Nella xx (Thoroughbred, 1871, from Adventurer xx)

Nella xx
gender-female
1871

Adventurer xx / Birdcatcher xx

stallion Mousetrap xx (Thoroughbred, 1872, from Parmesan xx)

Mousetrap xx
gender-male
1872

Parmesan xx / Birdcatcher xx