siblings of Roi Hero xx

half siblings maternal 3 half siblings paternal 66

half siblings maternal

stallion He xx (Thoroughbred, 1915, from Santoi xx)

He xx
gender-male
1915

Santoi xx / Cyllene xx

stallion Yutoi xx (Thoroughbred, 1917, from Santoi xx)

Yutoi xx
gender-male
1917

Santoi xx / Cyllene xx

broodmare Raticule xx (Thoroughbred, 1923, from Sunstar xx)

Raticule xx
gender-female
1923

Sunstar xx / Cyllene xx