Stephen
I was interested in your observation to Ethan on the reflexive pronoun 'ser' and how it has a parallel in your dialect.
I am  West Cumbrian and 'thu'  is still very prevalent here in conversation, but I have never heard of your own local expression, 'Come hither with thu'. We would say 'Bring thee sel (self) here' Can you tell me what your locality is? I am studying Old Norse for its own merits but am always on the look-out for spin-offs which throw light on our dialect and place-names.
Cheers
Jed Mc Harg