'Owain Gwynedd was the first Prince of Wales'
Agreed, and Owain Glyndwr was the last native Welshman to hold the title Prince of Wales some 200-300 years later (appears in Shakespeare's Henry 1V and V). It was 'Gwynedd' that Greg Davis was descended from and not 'Glyndwr' as stated.
Parents-in-Law. What do/did you call them?
Gary Glitter programme Tuesday