siblings of River Lullaby xx

half siblings maternal 2 half siblings paternal 91

half siblings maternal

broodmare Secala xx (Thoroughbred, 1975, from Secretariat xx)

Secala xx
gender-female
1975

Secretariat xx / Northern Dancer xx

broodmare Ballerina Princess xx (Thoroughbred, 1986, from Mr. Prospector xx)

Ballerina Princess xx
gender-female
1986

Mr. Prospector xx / Northern Dancer xx