siblings of Seaplane xx

half siblings maternal 2 half siblings paternal 37

half siblings maternal

stallion Mirador xx (Thoroughbred, 1906, from Marco xx)

Mirador xx
gender-male
1906

Marco xx / Lowland Chief xx

horse Mark Time xx (Thoroughbred, 1900, from Marco xx)

Mark Time xx
gender-male
1900

Marco xx / Lowland Chief xx