|Trehaern ap Caradoc King of North Wales 
Trehaern ap Caradoc King of North Wales  24
Usurped the crown. Only show by Burke.
Trehaern married Nest Verch Gruffydd  [MRIN: 2368], daughter of Gruffydd ap Llywelyn King of Deheubarth, King of the Britons  and Ealdgyth (Edith)of Mercia .