siblings of Equation xx

full siblings

broodmare Extempore xx (Thoroughbred, 1840, from Emilius xx)

Extempore xx

stallion Euclid xx (Thoroughbred, 1836, from Emilius xx)

Euclid xx

stallion Mathematician xx (Thoroughbred, 1844, from Emilius xx)

Mathematician xx

broodmare Laura xx (Thoroughbred, 1834, from Emilius xx)

Laura xx

stallion Theon xx (Thoroughbred, 1837, from Emilius xx)

Theon xx