Complex sentence: His father, William M. Baker, started out bankrupt and destitute, moving to Bristol to find his fortune, eventually become owner of Baker, Baker & Co, a department store of sorts, within the vicinity of the old castle grounds.
Split into simpler sentences: His father, William M. Baker, started out bankrupt and destitute, moving to Bristol to find his fortune. He eventually become owner of Baker, Baker & Co, a department store of sorts, within the vicinity of the old castle grounds.