siblings of Sibell xx

half siblings maternal 2 half siblings paternal 40

half siblings maternal

horse Hyperionetta xx (Thoroughbred, 1944, from Hyperion xx)

Hyperionetta xx
gender-female
1944

Hyperion xx / Caerleon xx

stallion Helioscope xx (Thoroughbred, 1946, from Hyperion xx)

Helioscope xx
gender-male
1946

Hyperion xx / Caerleon xx