Complex sentence: Saunders suggests that his family might in fact have been of Roman settler origin and of much higher social status, however, his suggestion has not been taken up by his more recent academic colleagues such as Southern and Watson.
Split into simpler sentences: Saunders suggests that his family might in fact have been of Roman settler origin and of much higher social status. However, his suggestion has not been taken up by his more recent academic colleagues such as Southern and Watson.