The Prince of Gwynedd owed an honour debt to the House of Dinefŵr, as Gruffydd's father, Rhys ap Tewdwr, had aided Gruffydd ap Cynan in his own bid to reclaim Gwynedd from rivals in 1081.
Rhys Hughes | Jonathan Rhys Meyers | Griff Rhys Jones | Rhys Chatham | John Rhys-Davies | John Rhys | Rhys Darby | Rhys ap Gruffydd | Paul Rhys | Rhys Muldoon | Rhys Ifans | Ernest Rhys | Adam Rhys Jones | Rhys Fulber | Rhys Brydydd | Rhisiart ap Rhys | Gruffydd ap Llywelyn | Carol Ap Rhys Pryce | Rhys Millen | Rhys ap Thomas | Owain Goch ap Gruffydd | Jean Rhys | Ceri Rhys Matthews | Brandon Rhys-Williams | William Rhys-Herbert | William John Gruffydd | T. Rhys Thomas | Thomas William Rhys Davids | Shani Rhys James | Rhys Weston |