siblings of Problem xx

half siblings maternal 2 half siblings paternal 3

half siblings paternal

broodmare Eulogy xx (Thoroughbred, 1843, from Euclid xx)

Eulogy xx
gender-female
1843

Euclid xx / Mulatto xx

broodmare Practice xx (Thoroughbred, 1845, from Euclid xx)

Practice xx
gender-female
1845

Euclid xx / The Colonel xx

stallion Bantam xx (Thoroughbred, 1843, from Euclid xx)

Bantam xx
gender-male
1843

Euclid xx / Doctor Syntax xx