Definitions:
They were not the Furies. No whips, scorpions, family blood was not spilt.
(do not call them that. Some things are better left unsaid. If you must invoke them -- which you aren't-- they are the Ladies. Nice and Kindly Ones.)
No, they were not them.
She does not seek vengeance (it might haunt her still).
She was set upon this task by wyrds. Words.
And therefore by God.