Possible Clues:

• William --, presumed author of the poem 'Piers Plowman'
• Writer of Piers Plowman
• Very early poet whose hero had his share
• Early poet from German director's territory
• Old poet's point of view mostly embraced by country
• William --, Piers Plowman author
• Giant and some overactors present old characters
• Filthy place