siblings of John Alden xx

half siblings maternal 3 half siblings paternal 14

half siblings maternal

broodmare Nicosia xx (Thoroughbred, 1972, from Gallant Romeo xx)

Nicosia xx
gender-female
1972

Gallant Romeo xx / Nashua xx

stallion Tisab xx (Thoroughbred, 1971, from Loom xx)

Tisab xx
gender-male
1971

Loom xx / Nashua xx

broodmare Secretarial Queen xx (Thoroughbred, 1977, from Secretariat xx)

Secretarial Queen xx
gender-female
1977

Secretariat xx / Nashua xx