Deletion of Musgrave family

Comment: A prominent noble family in the north of England like the Percy family.  They are covered in sources such as ''The history and antiquities of the counties of Westmorland and Cumberland'' and ''The Beauties of England and Wales'' and so are notable per . The age of the sources is unimportant in establishing notability because notability does not expire: "|Notability is not temporary; once a topic has been the subject of "significant coverage" in accordance with the general notability guideline, it does not need to have ongoing coverage."  In any case, it is easy to find modern sources too such as ''Border Liberties and Loyalties: North-east England, C.1200 - C.1400
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG||WP:NTEMP)