siblings of Sickleup xx

half siblings maternal 2 half siblings paternal 50

half siblings maternal

broodmare Buckup xx (Thoroughbred, 1928, from Buchan xx)

Buckup xx
gender-female
1928

Buchan xx / Ultimus xx

horse Notdown xx (Thoroughbred, 1937, from American Flag xx)

Notdown xx
gender-female
1937

American Flag xx / Ultimus xx