| Children  | 
|   | 1. Gasparus Mertens,   b. Abt 16 Apr 1648   d. Yes, date unknown |  
|   | 2. Petrus Mertens,   b. Abt 17 Jan 1650   d. Yes, date unknown |  
|   | 3. Lucas Mertens,   b. Abt 25 Nov 1651   d. Yes, date unknown |  
|   | 4. Maria Mertens,   b. Abt 24 Aug 1653   d. Yes, date unknown |  
|   | 5. Elisabeth Mertens,   b. Abt 8 Sep 1655   d. Yes, date unknown |  
|   | 6. Anna Mertens,   b. Abt 5 Mar 1658   d. Yes, date unknown |  
|   | 7. (1) Eleonora Mertens,   b. Abt 6 Jan 1660   d. Bef 23 Dec 1663 (Age < 3 years) |  
|   | 8. Joannes Mertens,   b. Abt 9 Dec 1660   d. Yes, date unknown |  
|   | 9. (2) Eleonora Mertens,   b. Abt 23 Dec 1663   d. Yes, date unknown |  
 
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