siblings of Agitator xx

half siblings maternal 3 half siblings paternal 3
  half siblings maternal (3)
  half siblings maternal (3)
  half siblings paternal (3)

half siblings maternal

broodmare Doreid xx (Thoroughbred, 1918, from Galloping Simon xx)

Doreid xx
gender-female
1918

Galloping Simon xx / Gallinule xx

broodmare Tuscan Red xx (Thoroughbred, 1912, from William Rufus xx)

Tuscan Red xx
gender-female
1912

William Rufus xx / Gallinule xx

broodmare First Feather xx (Thoroughbred, 1911, from Henry The First xx)

First Feather xx
gender-female
1911

Henry The First xx / Gallinule xx