Findings:
- Owain Ddantgwyn
- Owain
- Hywel ab Owain Gwynedd
- Dafydd ab Owain Gwynedd
- Maredudd ab Owain ab Edwin
- Owain ap Cadwgan
- Hywel ab Owain
- Owain de la Pole
- Gwenwynwyn ab Owain
- Owain Glyndwr
- Morgan Hen ab Owain
- Owain map Beli
- Gruffudd ap Maredudd ab Owain
- Owain Cyfeiliog
- Owain Gwynedd
- Owain ab Urien
- Madoc ap Owain Gwynedd
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