Complex sentence: Burial grounds were typical accompaniments to Friends Meeting Houses, while burial grounds were encouraged in the 1825 Quaker Rules of Discipline, the burial of non-Quakers in Quaker cemeteries was not.
Split into simpler sentences: Burial grounds were typical accompaniments to Friends Meeting Houses. While burial grounds were encouraged in the 1825 Quaker Rules of Discipline, the burial of non-Quakers in Quaker cemeteries was not.