Answer:
My translation of these stanzas of the poem "Edward" in modern, familiar English, is as follows:
Why is your sword dripping with blood like that, Edward? Why is your sword dripping with blood like that? And why are you going about looking so sad? Oh, I have killed my good hawk, Mother, Oh, I have killed my good hawk And I don’t have another one. Your hawk’s blood was surely not as red as that.
I hope this helps :)