The Stanza on Merlin's Grave

Bedd Ann ap lleian ymnewais fynydd
Iluagor Llew Ymrais
Prif ddewin merddin Embrais.

Translation:

The grave of the nun's son on Newais Mountain:
Lord of Battle, Llew Embrais,
Chief Magician, Myrddin Emrys

SOURCE
Peniarth MS. 98B (1616?): variant version of "Englynion y Beddau"