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Statistics on the Valkenburg Families

The following tables show per century:

NB Please be aware of:

Old age per quarter century of date of death

Period Married 25+ males Married 25+ females Unmarried 25+ males Unmarried 25+ females All males All females
NumberAge NumberAge NumberAge NumberAge NumberAge NumberAge
15Q4 1 26y 04m             1 26y 04m    
16Q1                 3 6y 04m 3 7y 11m
16Q2 4 46y 11m 2 49y 02m 1 32y 04m 5 34y 02m 9 26y 00m 11 27y 01m
16Q3 4 60y 10m 5 54y 06m 2 42y 06m 7 44y 08m 11 31y 05m 17 36y 03m
16Q4 11 56y 00m 7 52y 04m 5 45y 10m 2 42y 00m 27 33y 08m 18 28y 04m
17Q1 16 55y 10m 17 51y 07m 9 46y 08m 5 55y 03m 39 34y 02m 34 34y 11m
17Q2 28 51y 09m 29 54y 11m 14 55y 01m 4 76y 04m 71 33y 06m 63 32y 07m
17Q3 35 57y 06m 47 59y 00m 9 47y 00m 12 41y 08m 101 26y 08m 95 35y 00m
17Q4 54 57y 07m 75 54y 08m 20 49y 00m 15 55y 01m 127 34y 02m 137 37y 08m
18Q1 128 60y 05m 120 59y 08m 42 54y 02m 53 60y 02m 276 37y 08m 263 40y 10m
18Q2 164 58y 10m 162 58y 07m 85 52y 11m 74 57y 02m 437 34y 02m 372 38y 03m
18Q3 169 59y 10m 198 58y 03m 106 55y 06m 109 56y 08m 483 34y 10m 471 38y 10m
18Q4 190 62y 09m 184 64y 06m 105 59y 05m 116 61y 03m 495 37y 11m 469 41y 06m
19Q1 190 64y 02m 222 65y 02m 107 63y 03m 118 65y 04m 473 41y 09m 479 47y 05m
19Q2 331 65y 08m 281 67y 05m 107 64y 08m 107 67y 03m 530 55y 07m 455 58y 04m
19Q3 471 69y 06m 379 72y 06m 104 68y 08m 77 72y 02m 597 67y 02m 471 70y 03m
19Q4 583 73y 10m 543 78y 00m 62 63y 11m 59 78y 06m 659 71y 08m 613 76y 10m
20Q1 308 77y 00m 378 81y 05m 42 63y 00m 38 78y 11m 352 75y 00m 417 81y 01m

Number of relations per quarter century of date of death

Period Males Females
NumberMarriages NumberMarriages
15Q4 1 1.00    
16Q1 4 1.75    
16Q2 6 1.16 5 1.00
16Q3 8 1.50 9 1.00
16Q4 11 1.09 5 1.00
17Q1 16 1.31 10 1.20
17Q2 30 1.66 19 1.31
17Q3 32 1.31 29 1.20
17Q4 43 1.48 44 1.13
18Q1 82 1.25 73 1.15
18Q2 99 1.24 81 1.17
18Q3 79 1.26 109 1.19
18Q4 93 1.26 95 1.17
19Q1 101 1.19 96 1.16
19Q2 172 1.18 126 1.09
19Q3 235 1.20 184 1.14
19Q4 308 1.16 262 1.14
20Q1 210 1.15 204 1.14

Marriage age per quarter century of date of marriage

Period 1st marriage 1st marriage 2nd marriage 2nd marriage 3rd marriage 3rd marriage
NumberMale NumberFemale NumberMale NumberFemale NumberMale NumberFemale
15Q4     2 26y 10m                
16Q1 2 22y 07m 2 21y 03m 1 27y 01m            
16Q2 8 26y 06m 5 27y 03m 1 31y 09m     1 42y 08m    
16Q3 12 28y 06m 12 24y 03m 2 40y 07m            
16Q4 28 26y 06m 16 25y 03m 5 35y 07m 4 44y 09m 1 48y 08m    
17Q1 38 26y 08m 26 26y 10m 11 38y 10m 3 38y 02m 1 43y 08m    
17Q2 41 26y 06m 44 25y 05m 15 40y 00m 9 38y 00m 5 40y 00m 1 40y 07m
17Q3 57 27y 01m 56 27y 04m 12 39y 07m 7 33y 10m 1 40y 07m 1 34y 11m
17Q4 78 29y 00m 60 27y 06m 19 48y 03m 7 40y 09m 1 46y 10m    
18Q1 69 27y 11m 70 27y 09m 10 42y 08m 11 33y 08m 1 47y 05m 1 56y 10m
18Q2 91 29y 02m 89 27y 02m 18 44y 06m 14 37y 06m 3 56y 11m 2 40y 03m
18Q3 114 29y 11m 131 27y 08m 32 41y 01m 18 34y 01m 6 46y 08m 6 46y 01m
18Q4 153 28y 08m 131 25y 08m 15 41y 03m 14 43y 10m 2 47y 07m 1 61y 03m
19Q1 222 28y 06m 238 25y 06m 25 41y 07m 21 36y 11m 2 41y 02m    
19Q2 354 28y 06m 334 25y 11m 46 44y 04m 29 38y 05m 4 65y 05m 2 56y 09m
19Q3 466 26y 03m 371 24y 08m 54 47y 00m 24 47y 04m 2 65y 08m 2 40y 02m
19Q4 156 28y 00m 117 26y 06m 29 49y 08m 20 47y 09m 2 65y 04m 2 69y 10m
20Q1 43 32y 09m 41 30y 04m 12 49y 10m 7 44y 04m 1 60y 09m 2 48y 08m

Length and inter-marriage time of non-divorce marriages per quarter century of date of (re)marriage

Period 1st marriage 1st marriage 2nd marriage 2nd marriage 3rd marriage
NumberLength NumberWait 1-2 NumberLength NumberWait 2-3 NumberLength
15Q4 6 37y 10m             1 11y 00m
16Q1 9 26y 03m 1 0y 10m 1 10y 04m        
16Q2 11 19y 04m     2 22y 09m     1 16y 02m
16Q3 12 24y 05m         1 4y 09m 1 6y 09m
16Q4 29 24y 06m 4 5y 03m 10 31y 07m     1 57y 10m
17Q1 48 25y 09m 4 1y 08m 10 18y 09m     1 10y 10m
17Q2 65 28y 09m 15 3y 03m 24 19y 02m 4 2y 01m 6 11y 05m
17Q3 88 30y 00m 11 2y 03m 18 24y 05m 2 2y 02m 5 28y 00m
17Q4 132 25y 06m 18 3y 00m 27 18y 08m 1 0y 02m 1 17y 10m
18Q1 138 25y 10m 12 2y 08m 20 23y 01m 1 7y 10m 2 11y 02m
18Q2 179 23y 01m 26 2y 11m 31 18y 11m 4 0y 11m 5 18y 06m
18Q3 231 26y 01m 42 2y 01m 44 20y 02m 9 1y 08m 11 17y 02m
18Q4 257 30y 09m 26 4y 00m 27 20y 11m 3 0y 06m 3 11y 02m
19Q1 423 37y 06m 30 2y 06m 45 25y 01m 2 1y 04m 2 43y 11m
19Q2 595 39y 02m 41 4y 10m 64 24y 01m 3 2y 08m 5 18y 08m
19Q3 372 38y 09m 36 4y 01m 64 21y 10m 1 0y 03m 4 28y 00m
19Q4 34 21y 08m 14 7y 08m 27 15y 03m 3 5y 01m 4 16y 03m
20Q1 2 5y 08m 2 2y 06m 2 3y 04m 1 1y 03m 2 1y 11m

Divorce age per quarter century of date of divorce

Period 1st marriage 1st marriage 2nd marriage 2nd marriage 3rd marriage 3rd marriage
NumberMale NumberWife 1 NumberMale NumberWife 2 NumberMale NumberWife 3
18Q2         1 44y 02m            
18Q3     2 38y 05m     1 36y 04m        
18Q4     1 27y 07m     1 43y 03m        
19Q1 7 39y 05m 2 39y 04m                
19Q2 28 39y 11m 22 37y 05m 2 59y 06m 1 36y 10m        
19Q3 33 42y 03m 17 39y 04m 5 56y 06m 2 40y 05m        
19Q4 27 45y 03m 17 43y 10m 10 48y 01m 4 71y 04m        
20Q1 5 52y 01m 1 48y 06m 1 39y 01m            

Length and inter-marriage time of divorce marriages per quarter century of date of (re)marriage

Period 1st marriage 1st marriage 2n marriage 2nd marriage 3rd marriage
NumberLength NumberWait 1-2 NumberLength NumberWait 2-3 NumberLength
18Q2         1 0y 04m        
18Q3 2 0y 02m     1 0y 03m 1 0y 05m    
18Q4 2 0y 06m     1 0y 00m        
19Q1 8 0y 11m 6 2y 05m            
19Q2 76 10y 03m 28 3y 08m 10 19y 00m 1 0y 02m    
19Q3 52 16y 04m 33 2y 06m 8 14y 01m 1 2y 00m    
19Q4 16 10y 07m 21 5y 03m 7 4y 08m 1 23y 01m    
20Q1     3 9y 09m     1 25y 00m    

Number of children per marriage per quarter century of date of marriage

Period 1st marriage 2nd marriage 3rd marriage All marriages
NumberChildren NumberChildren NumberChildren NumberAll children
15Q3 1 6.00            
15Q4 9 6.11            
16Q1 13 5.00 2 5.50        
16Q2 17 5.29 3 4.00        
16Q3 32 5.06 2 6.50 1 4.00    
16Q4 48 4.68 11 5.63 1 3.00    
17Q1 72 5.02 10 4.20 1 4.00    
17Q2 86 5.23 19 3.36 4 6.00 2 1.50
17Q3 101 5.07 13 4.00 3 3.66    
17Q4 122 5.37 20 3.30 1 2.00    
18Q1 116 5.17 16 4.68        
18Q2 167 4.91 22 4.36 1 3.00    
18Q3 209 5.70 31 4.48 3 3.66    
18Q4 253 5.53 14 5.14        
19Q1 408 4.56 23 3.17 1 1.00    
19Q2 590 3.65 34 3.02 1 9.00    
19Q3 638 2.48 32 1.56        
19Q4 117 2.29 8 1.50        

Time between marriage and birth of first child per quarter century of date of marriage

Period 1st marriage 2nd marriage 3rd marriage
NumberBorn after NumberBorn after NumberBorn after
15Q4 5 1y 06m        
16Q1 10 2y 00m 2 0y 11m    
16Q2 14 1y 07m 2 3y 02m    
16Q3 27 1y 10m 2 1y 00m 1 2y 05m
16Q4 43 1y 08m 11 1y 07m 1 0y 09m
17Q1 70 1y 03m 10 0y 11m 1 0y 03m
17Q2 79 1y 02m 19 0y 11m 4 1y 01m
17Q3 97 1y 02m 11 1y 03m 3 0y 09m
17Q4 119 0y 11m 19 1y 03m 1 0y 08m
18Q1 113 0y 09m 16 -0y 02m    
18Q2 165 0y 09m 22 -0y 02m 1 0y 09m
18Q3 208 0y 06m 31 0y 08m 3 0y 06m
18Q4 249 0y 08m 14 0y 05m    
19Q1 401 0y 09m 21 1y 01m 1 0y 10m
19Q2 568 0y 08m 34 0y 06m 1 -22y 10m
19Q3 556 1y 09m 30 0y 01m    
19Q4 186 2y 02m 11 0y 09m    
20Q1 60 0y 00m 8 -1y 07m 2 -5y 05m

Time between births of children per quarter century of date of marriage

Period 1st marriage 2nd marriage 3rd marriage
NumberTime between NumberTime between NumberTime between
15Q4 26 2y 02m        
16Q1 44 1y 11m 9 2y 04m    
16Q2 59 2y 00m 8 3y 07m    
16Q3 118 2y 03m 11 1y 07m 2 1y 06m
16Q4 160 2y 02m 48 2y 00m 2 3y 07m
17Q1 271 2y 03m 32 2y 04m 3 2y 02m
17Q2 349 2y 03m 45 2y 03m 20 1y 02m
17Q3 390 2y 02m 38 2y 08m 8 2y 04m
17Q4 513 2y 04m 43 2y 05m 1 4y 02m
18Q1 467 2y 04m 57 2y 07m    
18Q2 639 2y 03m 73 2y 00m 2 2y 00m
18Q3 974 2y 01m 106 1y 10m 8 2y 10m
18Q4 1134 2y 02m 58 1y 11m    
19Q1 1367 2y 06m 44 2y 04m    
19Q2 1490 2y 11m 67 2y 07m 6 2y 08m
19Q3 810 3y 00m 18 3y 06m    
19Q4 234 2y 10m 8 2y 07m    
20Q1 46 2y 02m 7 2y 02m    

Age at birth of last child per quarter century of date of marriage

Period Father Mother
NumberAge NumberAge
16Q1 1 40y 10m 1 42y 03m
16Q2 2 31y 05m 1 27y 03m
16Q3 7 39y 08m 6 37y 00m
16Q4 11 39y 04m 7 37y 10m
17Q1 12 41y 07m 15 37y 00m
17Q2 36 42y 09m 34 38y 09m
17Q3 36 41y 10m 41 40y 00m
17Q4 99 42y 09m 91 38y 10m
18Q1 100 40y 02m 97 38y 07m
18Q2 140 41y 04m 149 37y 03m
18Q3 164 42y 01m 168 38y 03m
18Q4 202 40y 08m 204 37y 01m
19Q1 332 38y 06m 339 35y 07m
19Q2 481 37y 06m 462 34y 10m
19Q3 270 35y 01m 164 32y 04m
19Q4 16 34y 01m 12 28y 07m
20Q1 1 53y 04m    

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