Herbert II Fitzherbert II
Herbert II was born in 1130 in Gloucestershire, England.  He died about June 1204.

 Lucy Of Hereford Lady of Blaen Llyfni
Lucy Of was born about 1136 in Gloucester, Gloucestershire, England.  She died after 1220 in England.

 William Fitzherbert
William was born about 1152 in Norbury, Derbyshire, England.¹ 

 Piers Piers (Peter) Fitzherbert
Piers Piers (Peter) was born in 1160 in Brecknock, Wales.  He died at the age of 75 on June 1st, 1235.

 Matthew Fitzherbert
Matthew was born in 1168.

 Cynaethwy ap Herbert