
1) People of Anglo-Saxon Mercia
Found on
https://www.crosswordclues.com/clue/spaldingas

The Spaldingas (`dwellers of the Spald`) were an Anglian tribe that settled in an area known as the spalda. This divided the fens and marshes of East Anglia in what is now the South Holland part of Lincolnshire. As well as establishing the town of Spalding, first mentioned in a charter by King Æthelbald of Mercia to the monks of Crowland Abbey .....
Found on
http://en.wikipedia.org/wiki/Spaldingas

The Spaldingas (people of Spald) were an ancient British tribe inhabiting part of Lincolnshire and east Yorkshire prior to the Norman Conquest. They gave their name to the town of Spalding in Lincolnshire and the village of Spaldington in east Yorkshire.
Found on
http://www.probertencyclopaedia.com/browse/CXS.HTM
No exact match found.