siblings of Holdfast xx

half siblings paternal

stallion Iroquois xx (Thoroughbred, 1949, from Arco xx)

Iroquois xx

broodmare Aila xx (Thoroughbred, 1947, from Arco xx)

Aila xx

broodmare Tortosa xx (Thoroughbred, 1944, from Arco xx)

Tortosa xx

broodmare Milonga xx (Thoroughbred, 1948, from Arco xx)

Milonga xx

broodmare Oria xx (Thoroughbred, 1948, from Arco xx)

Oria xx

broodmare Pasitea xx (Thoroughbred, 1951, from Arco xx)

Pasitea xx

stallion Murghab xx (Thoroughbred, 1946, from Arco xx)

Murghab xx

broodmare Istriana xx (Thoroughbred, 1947, from Arco xx)

Istriana xx

stallion Scanno xx (Thoroughbred, 1944, from Arco xx)

Scanno xx