+--Gerard Backer  (15 Mar 1657-7 Aug 1715)
+--Raijmond Backer 
|  |  +--Raymond Wolters  (ABT 1649-)
|  +--Sara Elisabeth Wolters  (8 Jan 1675-13 Mar 1700)
|     +--Catharina van Capelle  (ABT 1653-)
Jan Hendrik Backer  (26 Dec 1728-22 Mar 1761)
+--Sophia Christina de Mundt  (ABT 1700-)