6: River Serpent, Shire of the -New Name (NP)
Meaning most important.
Etymology: The River Nadder is one of the five rivers which unite in the meadows of Salisbury, beneath the gaze of its cathedral, in Wiltshire.The name of the river is Old English: næddre means "Snake". https://wikishire.co.uk/wiki/River_Nadder
River Nadder is found in a period source Survey of the Lands of William First Earl of Pembroke: screenshots attached. Appendix F p.573. https://play.google.com/books/reader?id=cY83AQAAMAAJ&pg=GBS.PA312&hl=en
The geographical feature in question is found on the map made by John Speed who lived 1551-1629. https://www.geographicus.com/P/AntiqueMap/wiltshire-speed-1676 detailed screenshots attached. The river is labeled 'Madder Flu' on this map, but it is the river which flows past the Wilton House as referenced in the Survey of the Lands of William First Earl of Pembroke and it is labeled River Nadder on modern maps.
Consulting herald Gerlinde Arrow's Flight
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