siblings of Heart String xx

half siblings paternal 10

half siblings paternal

broodmare Rock Forrard xx (Thoroughbred, 1925, from Rock Flint xx)

Rock Forrard xx
gender-female
1925

Rock Flint xx / King William xx

broodmare Hailstone xx (Thoroughbred, 1919, from Rock Flint xx)

Hailstone xx
gender-female
1919

Rock Flint xx / Polymelus xx

broodmare Sweet Rocket xx (Thoroughbred, 1922, from Rock Flint xx)

Sweet Rocket xx
gender-female
1922

Rock Flint xx / Eager xx

horse Flint Jack xx (Thoroughbred, 1917, from Rock Flint xx)

Flint Jack xx
gender-male
1917

Rock Flint xx / Marco xx

stallion Rock Drill xx (Thoroughbred, , from Rock Flint xx)

Rock Drill xx
gender-male

Rock Flint xx / unknown

broodmare Golding xx (Thoroughbred, 1915, from Rock Flint xx)

Golding xx
gender-female
1915

Rock Flint xx / Hastings xx

stallion Hourra xx (Thoroughbred, 1921, from Rock Flint xx)

Hourra xx
gender-male
1921

Rock Flint xx / St. Amant xx

broodmare Rose of Athens xx (Thoroughbred, 1925, from Rock Flint xx)

Rose of Athens xx
gender-female
1925

Rock Flint xx / Bayardo xx

broodmare Pebble xx (Thoroughbred, 1920, from Rock Flint xx)

Pebble xx
gender-female
1920

Rock Flint xx / Chittabob xx

broodmare Calcite xx (Thoroughbred, 1922, from Rock Flint xx)

Calcite xx
gender-female
1922

Rock Flint xx / Marco xx