J. Roelen, Bockhefte 2, 1939, S. 75
♥ = Vorfahren Konrad ERFFENS > ♥ | (1636-1679)x1665 Johann Konrad ERFFENS | Agnes BÜNTGENS | (1670-1748)x1700 (....-1698) Matthias ERFFENS | | (1705-....)x1729 | Matthias GRAD | | | x1678 | | Katharina GRAD | Katharina BREUER | (1678-....)x1700 Johann Matthias ERFFENS | ___________________ | (1730-1785)x1760 | | | | ________________________|___________________ | | | | | Maria Beatrix RENOTTE | ___________________ | x1729 | | | |________________________|___________________ |--Matthias Abraham ERFFENS | (1760-....) ___________________ | | | Abraham ROSEN |___________________ | | x1700 | Abraham ROSEN | ___________________ | | (1701-....)x1728 | | | | | Sara HANSEN |___________________ | | x1700 | Katharina ROSEN | (1730-....)x1760 | Konrad ERFFENS > ♥ | | (1636-1679)x1665 | Johann Konrad ERFFENS | Agnes BÜNTGENS | | (1670-1748)x1700 (....-1698) | Susanna Agnes ERFFENS | (1701-1731)x1728 | Matthias GRAD | | x1678 | Katharina GRAD | Katharina BREUER (1678-....)x1700