P. v. Gebhardt, Geschichte der Familie Brockhaus aus Unna in Westfalen, Leipzig 1928, S. 129
__ | __|__ | Johann LEMMER | __ | (1610-1657)x1635 | | | |__|__ | Johann Engelbert LEMMER | __ | (1638-1707)x1660 | | | | __|__ | | | | | N. | __ | x1635 | | | |__|__ |--Anna Katharina LEMMER | (1670-1711)x1687 __ | | | __|__ | | | ___________________| __ | | | | | | |__|__ | | | Anna Katharina MÄHLER | __ (1640-1686)x1660 | | | __|__ | | |___________________| __ | | |__|__