R.M. Snethlage, Stammliste der Familie Engels aus Wülfrath, Aachen 1973, S. 53
__ | __|__ | _____________________| __ | | | | |__|__ | Hermann KEYMER | __ | x1699 | | | | __|__ | | | | |_____________________| __ | | | | |__|__ |--Anna Christina KEYMER | (1704-1788)x1728 __ | | | __|__ | | | Johann BRINK | __ | | x1677 | | | | |__|__ | | | Ursula BRINK | __ (1677-....)x1699 | | | __|__ | | | Katharina WÜSTHOFF | __ x1677 | | |__|__