[3] After the death of Jones' father when she was two years old, the family moved from their home in Oswestry, Shropshire and went to live with her maternal grandmother in Penbont, Llanbedr.
[3] In 1960, Jones authored Fy Hen Lyfr Cownt ('My old account book'), which is centred on a fictional diary about the final ten years of the hymn writer Ann Griffiths.
[2][5] This won her the 1960 Prose Medal at the National Eisteddfod,[3] the first of her career,[4][6] and the novel is credited by Meic Stephens of The Independent as having "gathered a momentum that it has maintained to the present day.
[3][5] This was followed by Jones authoring a trilogy of novels between 1987 and 1993 which were set in the Age of the Princes: Cribau Eryri (The Ridges of Snowdonia), Barrug y Bore (Morning Frost) and Adar Drycin (Storm Birds).
[1] Jones' final novel Cydio Mewn Cwilsyn (Taking up a Quill), a factious diary of Edmund Prys' daughter, was published in 2002.
[4][6] Jones died on 22 October 2014, in Penrhos Stanley Hospital, Holyhead, Anglesey,[3][5] after a long illness from pneumonia and a broken femur.