siblings of Altruist xx

half siblings paternal

stallion Alcide xx (Thoroughbred, 1955, from Alycidon xx)

Alcide xx

broodmare Alice Delysia xx (Thoroughbred, 1956, from Alycidon xx)

Alice Delysia xx

broodmare Algebra xx (Thoroughbred, 1951, from Alycidon xx)

Algebra xx

stallion Alcibiades xx (Thoroughbred, 1951, from Alycidon xx)

Alcibiades xx

broodmare Damone (Thoroughbred, 1961, from Alycidon xx)

Damone

broodmare Almah xx (Thoroughbred, 1957, from Alycidon xx)

Almah xx

broodmare Haytime xx (Thoroughbred, 1958, from Alycidon xx)

Haytime xx

horse Alimony xx (Thoroughbred, 1952, from Alycidon xx)

Alimony xx

broodmare Urbinella xx (Thoroughbred, 1953, from Alycidon xx)

Urbinella xx

horse All Serene xx (Thoroughbred, 1955, from Alycidon xx)

All Serene xx

stallion Pendragon xx (Thoroughbred, 1955, from Alycidon xx)

Pendragon xx

broodmare Alcoa xx (Thoroughbred, 1957, from Alycidon xx)

Alcoa xx