Where do you get this crap from? He's an Englishman who now happens to reside in Wales.
Taken from Wikipedia:
The son of former Conservative councillor Edgar Griffin and his wife Jean Griffin, Nicholas John Griffin was born in Barnet, then in Hertfordshire now Greater London, before moving to Southwold in Suffolk aged eight. He was educated at Woodbridge School in Woodbridge, and won a sixthform scholarship to the independent St Felix School in Southwold, becoming one of only two boys in the girls' school.