siblings of Regret xx

half siblings maternal 2 half siblings paternal 21

half siblings maternal

stallion Joyful xx (Thoroughbred, 1890, from Galopin xx)

Joyful xx
gender-male
1890

Galopin xx / Doncaster xx

stallion Adieu xx (Thoroughbred, 1888, from Saint Simon xx)

Adieu xx
gender-male
1888

Saint Simon xx / Doncaster xx