J. Roelen, Bockhefte 1, 1938, S. 49
__ | Johannes WIRTZ |__ | x1612 Gerhard WIRTZ | __ | (1615-....) | | | | Agnes NELISSEN |__ | x1612 Heinrich WIRTZ | __ | (1645-1703)x1670 | | | | ___________________|__ | | | | | N. | __ | | | | |___________________|__ |--Elisabeth WIRTZ | (1673-....)x1694 __ | | | ___________________|__ | | | ___________________| __ | | | | | | |___________________|__ | | | Sophia SIEBEN | __ (....-1700)x1670 | | | ___________________|__ | | |___________________| __ | | |___________________|__