en > eu 
/huː/
1 pron. (in direct, indirect questions) nor; nork
who are you?: nor zara zu?
who were they?: nor ziren?
who broke the window?: nork apurtu du leihoa?
who did you see?: nor ikusi zenuen?
I didn't know who she was: ez nekien nor zen
2 pron. (in relative clauses) -en(a); zein(a) bait-/-(e)n
he's the doctor who treated me: bera da zaindu ninduen medikua
those who are in favour: alde daudenak
it was your sister who did it, not your brother: zure ahizpak egin zuen, ez zure nebak