Dictionary of Welsh Biography

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SIÔN ap HOWEL ab OWAIN ( 1550? - 1626/7 ), translator ;

son of Howel ab Owain , Cefn Treflaeth , Llanystumdwy, Caerns. , and Catherine , daughter of Rhisiart ap Dafydd of Cefn Llanfair . He was, therefore, a nephew of Huw ap Rhisiart ap Dafydd ( DWB , 398) and a cousin of Richard Hughes ( DWB , 388-9) . At his father's death in 1583 he became head of the family at Cefn Treflaeth , and he was one of those prosecuted by the Earl of Leicester during the troubles relating to Snowdon Forest . There is a copy of the beginning of Siôn ap Howel 's Welsh translation of Rhetorica ad Herennium in Llanfair and Brynodol MS. 2 at the National Library of Wales . He d. in 1626/7 and was buried in the choir of Llanystumdwy church .


  • Caernarvonshire Historical Society Transactions , 1958 , 20-21; 1960, 54-60 and 63-9.


Bedwyr Lewis Jones (1933-92), Bangor

Published date: 2001