siblings of Thoughtful Light xx

half siblings paternal

stallion Pantheon xx (Thoroughbred, 1958, from Borealis xx)

Pantheon xx

broodmare Favreale xx (Thoroughbred, 1956, from Borealis xx)

Favreale xx

stallion Herero xx (Thoroughbred, 1959, from Borealis xx)

Herero xx

broodmare Polar Dance xx (Thoroughbred, 1957, from Borealis xx)

Polar Dance xx

stallion Lord xx (Thoroughbred, 1960, from Borealis xx)

Lord xx

stallion Goliath xx (Thoroughbred,  , from Borealis xx)

Goliath xx

broodmare Light Comment xx (Thoroughbred, 1949, from Borealis xx)

Light Comment xx

broodmare Queen of Light xx (Thoroughbred, 1949, from Borealis xx)

Queen of Light xx

broodmare Mayflower xx (Thoroughbred, 1956, from Borealis xx)

Mayflower xx

broodmare Sweet Nan xx (Thoroughbred, 1948, from Borealis xx)

Sweet Nan xx

horse Polar Princess xx (Thoroughbred, 1951, from Borealis xx)

Polar Princess xx

broodmare Aurorabella xx (Thoroughbred, 1952, from Borealis xx)

Aurorabella xx