siblings of Schwarzer Peter xx

half siblings maternal 2 half siblings paternal 9

half siblings maternal

horse Sygne xx (Thoroughbred, 1979, from Tennyson xx)

Sygne xx
gender-female
1979

Tennyson xx / Sea Hawk xx

stallion River Hawk xx (Thoroughbred, 1983, from River River xx)

River Hawk xx
gender-male
1983

River River xx / Sea Hawk xx