siblings of Firstloch xx

half siblings maternal 2 half siblings paternal 17

half siblings maternal

horse Beaupartir xx (Thoroughbred, 1935, from Beau Pere xx)

Beaupartir xx
gender-male
1935

Beau Pere xx / Chief Ruler xx

stallion Lambourn xx (Thoroughbred, 1937, from Bulandshar xx)

Lambourn xx
gender-male
1937

Bulandshar xx / Chief Ruler xx