Lloegr
"Welsh lloegr" means "Welsh England." In Welsh, "Cymru" is the name for Wales, so "lloegr" is used for England.
Yes, Welsh was spoken in England. Welsh is a very old language, and at the time the earliest examples we have were written, parts of what is now England were entirely Welsh. In fact there are Welsh communities, in which people speak Welsh, today.
"From" is "o". For example: "I come from England" is "Rydw i'n dod o Loegr".
"You are Welsh" = Rwyt ti'n Gymreig
In the whole, Great Britain. Individually Welsh , in Wales Scot , in Scotland English , in England.
Do you mean Welsh Rarebit
'Our Friends' in Welsh is 'Ffrindiau Ni' :)
To say "your house" in Welsh, you would say "eich tŷ".
Cymraeg
No in Welsh is dim.
"y diwedd" is how you say it in Welsh language.
Highclere is in England.