Which distinct European breed is frequently cited as part of the Redbone Coonhound's heritage?

Answer

Scottish Deerhound

The heritage of the Redbone Coonhound points strongly toward a Scottish influence, with its ancestry frequently cited as being based on the Scottish Deerhound and the Bloodhound.

Which distinct European breed is frequently cited as part of the Redbone Coonhound's heritage?
DogbreedCoonhoundancestor