siblings of Passion xx

half siblings maternal 2 half siblings paternal 5

half siblings maternal

broodmare Ice Run xx (Thoroughbred, 1951, from Thoroughfare xx)

Ice Run xx
gender-female
1951

Thoroughfare xx / Hyperion xx

broodmare Millie H. xx (Thoroughbred, 1959, from Mark-Ye-Well xx)

Millie H. xx
gender-female
1959

Mark-Ye-Well xx / Hyperion xx