Deletion of Ancestral background of presidents of the United States

Comment: I'm British and so consider it offensive to describe the different nations of the British Isles as trivial.  The fact that Donald Trump has Scottish ancestry or that John Kennedy had Irish heritage is not trivial, for example.  There are numerous works detailing the ancestry of particular presidents and some general works such as ''Ancestors of American Presidents''; ''Our Presidents''; ''American Presidential Families''; ''The Irish and the American Presidency''; &c.  The topic therefore passes 
Stance: keep
Cited policy: Wikipedia:Notability (WP:LISTN)