siblings of Estimation xx

half siblings paternal 2
  half siblings paternal (2)
  half siblings paternal (2)

half siblings paternal

broodmare Cyrene xx (Thoroughbred, 1912, from The Scribe xx)

Cyrene xx
gender-female
1912

The Scribe xx /

broodmare Amanuensis xx (Thoroughbred, 1912, from The Scribe xx)

Amanuensis xx
gender-female
1912

The Scribe xx / Candlemas xx