siblings of Regina xx

half siblings maternal 2 half siblings paternal 2

half siblings maternal

stallion Glaucus xx (Thoroughbred, 1845, from Bookworm xx)

Glaucus xx
gender-male
1845

Bookworm xx / Gratis xx

broodmare Symphony xx (Thoroughbred, 1848, from Slender xx)

Symphony xx
gender-female
1848

Slender xx / Gratis xx