was he a part of any war?
Yes, his first battle was the capture by assault of Llansteffan Castle.
Rhys ap Gruffydd
He built a castle in the commote of Mabudryd, but Cadell, aided by Hywel ab Owain Gwynedd who held Ceredigion for Gwynedd, destroyed it in 1146. Rhys appears in the annals for the first time in 1146, fighting alongside his brothers Cadell and Maredudd in the capture by assault of Llansteffan Castle.
who is rhys ap gruffydd? The ruler of the kingdom of Deheubarth in south Wales. when was his ruling period? 1155 to 1197
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Rhys ap Gruffydd [SEP] First battles (1146–1155)
Anarawd's brother, Cadell ap Gruffydd, took over as head of the family. Gilbert de Clare, Earl of Pembroke, rebuilt Carmarthen castle in 1145 then began a campaign to reclaim Ceredigion. He built a castle in the commote of Mabudryd, but Cadell, aided by Hywel ab Owain Gwynedd who held Ceredigion for Gwynedd, destroyed it in 1146. Rhys appears in the annals for the first time in 1146, fighting alongside his brothers Cadell and Maredudd in the capture by assault of Llansteffan Castle. This was followed by the capture of Wiston in 1147, Carmarthen in 1150 and Loughor in 1151. In 1151 Cadell was attacked while out hunting by a group of Norman and Flemish knights from Tenby, and left for dead.