siblings of Hephaistos xx

half siblings maternal 1 half siblings paternal 4

half siblings paternal

broodmare Milfoil xx (Thoroughbred, 1920, from Vulcain IV xx)

Milfoil xx
gender-female
1920

Vulcain IV xx / Fair Play xx

broodmare Margaret Lawrence xx (Thoroughbred, 1921, from Vulcain IV xx)

Margaret Lawrence xx
gender-female
1921

Vulcain IV xx / Wagner xx

broodmare Belphrizonia xx (Thoroughbred, 1920, from Vulcain IV xx)

Belphrizonia xx
gender-female
1920

Vulcain IV xx / Orsini xx

broodmare Greedy Girl xx (Thoroughbred, 1926, from Vulcain IV xx)

Greedy Girl xx
gender-female
1926

Vulcain IV xx / Ultimus xx