The son of the Conqueror washer laid to rest
in the Abbey built at his own behest
for rock fans for decades this town's been a grail
It's also where Oscar Wilde spent time in a jail
Hi signdancer, welcome to answerbank.
Just a tip or two- it's always better to make the question clear -include the clue so those without the paper can more readily help, and some prefer to see a please or thank you