Rhys ap Rhydderch
Rhys ap Rhydderch was the brother of Gruffydd ap Rhydderch , king of Deheubarth from 1044 to 1055 . 
<triplet> Rhys ap Rhydderch <subj> Gruffydd ap Rhydderch <obj> sibling <triplet> Gruffydd ap Rhydderch <subj> Rhys ap Rhydderch <obj> sibling