Complex sentence: On the same day and in the adjoining gravesite, his brother William Nietzel, a private in the Army Air Corps, who died of non-combat causes on April 6,1944, at Horsham Airfield in Norwich, England.
Split into simpler sentences: On the same day and in the adjoining gravesite, his brother William Nietzel, a private in the Army Air Corps was also buried. William died of non-combat causes on April 6,1944, at Horsham Airfield in Norwich, England.