Detailed Instructions: Generate a correct and concise answer for the question based on the words in the context.
Q: Context : They lived in the north of Beleriand, in the forest of Brethil, and were at first untouched by the war; but Orcs came after Minas Tirith was taken, and yet the Men of Brethil would not relinquish their homes, and Halmir sent word to Thingol King of Doriath, as he had friendship with the Elves that guarded the realm. 
Question : What city is Halmir from?
A:
Brethil