The Jews he named are Ashkenazi, meaning from Europe. Ashkenazis both descend from many, many generations of people living in Europe, but are also considered quite likely to have some white European ancestry mixed in due to intermarriage way back.

My favorite Ta Neheisi Coated quote is that race is the child of racism, not the parent. It was an excuse for genocide and slavery. 

What you are referring to that the ‘historians agree’ upon is that there were a number of rebels, prophets and teachers through the ages that through stories and myths became the “historical Jesus.”