W. Ring, Geschichte der Duisburger Familie Böninger, Duisburg 1930, S. 108
__ | __|__ | Johann KÜLLER | __ | x1742 | | | |__|__ | Wilhelm KÜLLER | __ | (1742-1806)x1766 | | | | __|__ | | | | | N. | __ | x1742 | | | |__|__ |--Maria Christina KÖLLER | (1767-1796)x1789 __ | | | __|__ | | | ___________________| __ | | | | | | |__|__ | | | Anna Katharina Elisabeth RÖTGEN | __ (1747-1777)x1766 | | | __|__ | | |___________________| __ | | |__|__