Composed for renown am I, a verse heard
on the stone-doored isle in the four-quartered fort.
Tranquillity and obscurity mingled
shiny wine their drink before their retinue.
Three fulnesses of Prydwen we went upon the main,
Save for seven none came up from Castle Rigor.

Book of Taliesin (c. 1275?) - The Spoils of Annwn