siblings of Penrose xx

half siblings maternal 2 half siblings paternal 8

half siblings maternal

broodmare Blue Violin xx (Thoroughbred, 1951, from First Fiddle xx)

Blue Violin xx
gender-female
1951

First Fiddle xx / Blue Larkspur xx

broodmare Efficiency xx (Thoroughbred, 1946, from Sweep All xx)

Efficiency xx
gender-female
1946

Sweep All xx / Blue Larkspur xx