Complex sentence: Strongly influenced also by Annette Gordon-Reed's 1997 book, which analyzed errors in historiography, the course of academic Jeffersonian scholarship has changed; it is widely accepted that Jefferson had a long liaison with Hemings and fathered all her children.
Split into simpler sentences: Strongly influenced also by Annette Gordon-Reed's 1997 book, which analyzed errors in historiography, the course of academic Jeffersonian scholarship has changed. It is widely accepted that Jefferson had a long liaison with Hemings and fathered all her children.