siblings of Problem xx

half siblings maternal 2 half siblings paternal 3
  half siblings maternal (2)
  half siblings maternal (2)
  half siblings paternal (3)

half siblings maternal

stallion Master Wags xx (Thoroughbred, 1833, from Langar xx)

Master Wags xx
gender-male
1833

Langar xx / Cervantes xx

stallion Jacques xx (Thoroughbred, 1839, from Touchstone xx)

Jacques xx
gender-male
1839

Touchstone xx / Cervantes xx