Ynys Bronwen
'Island of Bronwen'
Yxvs Bronwen
It is recorded in the Mabinogion that Bronwen, the daughter of Llyr, was buried here.
BeM petryal a wnaed i Yronwen, verch Llyr, ar Ian afon Alaw
Meaning: 'A square grave was made for Bromccn, the daughter of Llyr, on the banks of the river Alaw'