Despite its somewhat Welsh appearance, it is an English name. The name would be the same in Welsh or English.
"You are Welsh" = Rwyt ti'n Gymreig
'Our Friends' in Welsh is 'Ffrindiau Ni' :)
To say "your house" in Welsh, you would say "eich tŷ".
Cymraeg
James (Jamie) Wyeth is one of Andrew Wyeth's two sons.
No in Welsh is dim.
"y diwedd" is how you say it in Welsh language.
In Welsh, you would say "Rwy'n cytuno" to say "I agree."
Draig Gymreig
You can say "it's nice" in Welsh as "mae'n braf."
Wyeth
Wyeth was created in 1860.