Dictionary of Welsh Biography

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DAFYDD ap MAREDUDD GLAIS ( fl. 1429-1468 ), cleric, murderer, civic official, and translator of a chronicle of the kings of England into Welsh .

He was the son of Maredudd Glais , a man who filled a number of municipal offices in Aberystwyth and Llanbadarn between 1411 and 1458 . The date of Dafydd 's birth is not known and the earliest mention of him in the records is as a pledge with John Robury and Griffith Prouth for Thomas Kirkham , abbot of Vale Royal , in respect of a fine in 1429 . The three are described as clerics , and they undoubtedly belonged to the church of Llanbadarn , which had been appropriated to Vale Royal since 1360 . In 1442 , he was convicted of the murder of Griffith Prouth , but, being in holy orders, he was not condemned to death. The names of the pledges for his fine are preserved in the ministers’ accounts for Cardiganshire . In 1444 , he wrote Pen. MS. 22 , which contains a copy of the Welsh version of Geoffrey of Monmouth 's ‘ Historia Regum Britanniae ,’ and his own translation of the chronicle of the kings of England from Latin into Welsh . Deprived of his orders, he followed his family's municipal tradition, and his name appears as provost of Aberystwyth in 1459-62 and in 1467-8 .


  • 'Public Record Office—Ministers' Accounts.' 1160 et seq. ;
  • Peniarth Manuscript in the National Library of Wales 22.


Evan David Jones, F.S.A., (1903-87), Aberystwyth

Published date: 1959