Complex sentence: Police interviewed Grimes and she said the man her sister knew as Frederick Hudson was actually called Frederick Nodder, whom she described as being a brutish and squalid drunkard, but who she had not seen for several months.
Split into simpler sentences: Police interviewed Grimes, who stated the man her sister knew as Frederick Hudson was actually named Frederick Nodder. Edith Grimes described Nodder as being a brutish and squalid drunkard, who she claimed to have not seen for several months.