Shippers @masmedium.com · 29d And bits of Strathclyde were part of Northumbria as was Edinburgh. 0 likes 2 replies ? Reply Replies Ian Garrow · 29d Would. Hexham be North East or North West? Looks. To be indecisive.🤷♂️ Shippers · 29d I think it was all fairly fluid, but Mersey means Border, and Northumbria is easy to derive.