Gutun Owain was closely associated with the Cistercian abbey of Valle Crucis where he was the principal scribe of the S text of Brenhinoedd y Saeson preserved in Llfyr Du Basing, 'The Black Book of Basingwerk', and where he may have been responsible for the continuation of that chronicle from 1333 to its end in 1461 (Dumville 2005).
Several important Welsh poets of the period spent time at the abbey including Gutun Owain, Tudur Aled and Guto'r Glyn.
Owain Glyndŵr | Owain Gwynedd | Owain Lawgoch | Owain | Alys ferch Owain Glyndŵr | Owain Goch ap Gruffydd | Owain Brown | Maredudd ab Owain | Rhun ab Owain Gwynedd | Owain Phyfe | Owain Glyndŵr (Owen Glendower) | Owain ap Hywel Dda | Maredudd ap Cynan ab Owain Gwynedd | Maelgwn ab Owain Gwynedd | Llywelyn the Elder ap Maredudd ap Cynan ab Owain Gwynedd | Hywel ab Owain Gwynedd | Gutun Owain | Gruffudd ab Owain Glyndŵr | Dafydd ab Owain Gwynedd |