Llywelyn ap Gruffydd Fychan
Llywelyn ap Gruffydd Fychan of Caeo ( 1341–1401 ) was a wealthy Carmarthenshire landowner who was executed in Llandovery by Henry IV of England in punishment for his support of Owain Glyndŵr's Welsh rebellion . 
<triplet> Llandovery <subj> Carmarthenshire <obj> located in the administrative territorial entity