siblings of Grass Shack xx

half siblings maternal

broodmare Exclusive xx (Thoroughbred, 1953, from Shut Out xx)

Exclusive xx
gender-female
1953

Shut Out xx / Pilate xx

broodmare Red Letter Day xx (Thoroughbred, 1952, from Rosemont xx)

Red Letter Day xx
gender-female
1952

Rosemont xx / Pilate xx

broodmare At the Summit xx (Thoroughbred, 1955, from Hill Prince xx)

At the Summit xx
gender-female
1955

Hill Prince xx / Pilate xx