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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                 4 5y 11m 3 7y 11m
16Q2 4 46y 11m 2 49y 02m 2 37y 06m 7 34y 00m 10 27y 08m 12 30y 01m
16Q3 4 60y 10m 5 54y 06m 3 44y 02m 9 45y 04m 11 34y 04m 19 37y 05m
16Q4 11 56y 00m 7 52y 04m 7 53y 05m 3 54y 07m 29 36y 04m 19 31y 00m
17Q1 16 55y 10m 18 51y 00m 10 47y 01m 5 55y 03m 41 34y 01m 36 34y 02m
17Q2 29 51y 08m 30 54y 06m 14 55y 01m 5 78y 01m 74 33y 03m 64 33y 07m
17Q3 36 58y 01m 47 59y 00m 9 47y 00m 12 41y 08m 102 27y 02m 95 35y 00m
17Q4 58 57y 10m 78 54y 10m 24 49y 04m 16 54y 05m 136 35y 04m 144 37y 04m
18Q1 127 60y 07m 126 59y 09m 44 53y 08m 55 59y 04m 280 37y 03m 271 41y 04m
18Q2 166 58y 09m 166 58y 07m 88 52y 11m 80 57y 07m 447 34y 01m 382 38y 11m
18Q3 170 59y 11m 202 58y 02m 107 55y 08m 109 56y 08m 489 34y 09m 481 38y 07m
18Q4 191 62y 10m 185 64y 06m 106 59y 05m 118 61y 05m 500 37y 10m 471 41y 09m
19Q1 193 64y 01m 224 65y 00m 107 63y 03m 119 65y 06m 478 41y 08m 482 47y 06m
19Q2 335 65y 08m 287 67y 06m 111 63y 10m 108 67y 02m 541 55y 03m 462 58y 06m
19Q3 476 69y 05m 380 72y 06m 111 68y 09m 79 72y 04m 609 67y 02m 474 70y 04m
19Q4 591 73y 10m 546 78y 00m 66 64y 05m 59 78y 06m 671 71y 09m 616 76y 10m
20Q1 332 76y 11m 403 81y 04m 48 61y 11m 39 78y 11m 382 74y 08m 443 80y 11m

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 12 1.08 5 1.00
17Q1 16 1.31 10 1.20
17Q2 30 1.66 20 1.30
17Q3 31 1.32 28 1.17
17Q4 43 1.48 44 1.13
18Q1 81 1.25 75 1.16
18Q2 100 1.25 82 1.18
18Q3 79 1.26 110 1.19
18Q4 94 1.26 95 1.17
19Q1 103 1.19 97 1.16
19Q2 174 1.18 130 1.09
19Q3 235 1.20 185 1.14
19Q4 311 1.17 264 1.13
20Q1 224 1.15 223 1.13

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 40 26y 05m 29 26y 11m 12 38y 10m 3 38y 02m 1 43y 08m    
17Q2 41 26y 10m 45 25y 03m 15 40y 00m 10 39y 08m 5 40y 00m 1 40y 07m
17Q3 57 27y 01m 56 27y 04m 12 39y 07m 8 34y 07m 1 40y 07m 2 49y 09m
17Q4 79 28y 11m 60 27y 06m 19 48y 03m 8 38y 03m 1 46y 10m    
18Q1 72 28y 00m 70 27y 09m 10 42y 08m 11 33y 08m 1 47y 05m 1 56y 10m
18Q2 92 29y 02m 91 27y 06m 20 43y 06m 14 37y 06m 3 56y 11m 2 40y 03m
18Q3 116 29y 09m 133 27y 08m 32 41y 01m 18 34y 01m 7 47y 00m 6 46y 01m
18Q4 155 28y 08m 133 25y 06m 15 41y 03m 14 43y 10m 2 47y 07m 1 61y 03m
19Q1 223 28y 06m 242 25y 05m 25 41y 07m 21 36y 11m 2 41y 02m    
19Q2 358 28y 05m 335 25y 11m 47 44y 01m 29 38y 02m 4 65y 05m 2 56y 09m
19Q3 469 26y 02m 380 24y 07m 55 46y 06m 24 47y 04m 2 65y 08m 2 40y 02m
19Q4 160 28y 00m 119 26y 06m 30 49y 04m 23 45y 03m 2 65y 04m 2 69y 10m
20Q1 47 32y 04m 45 30y 03m 13 50y 00m 8 48y 02m 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 09m 1 10y 04m        
16Q2 11 21y 08m     2 22y 09m     1 16y 02m
16Q3 12 24y 05m         1 4y 09m 1 6y 09m
16Q4 30 24y 04m 4 5y 03m 10 31y 07m     1 57y 10m
17Q1 48 25y 07m 5 1y 05m 10 18y 09m     1 10y 10m
17Q2 64 29y 04m 15 3y 03m 24 18y 08m 5 1y 09m 6 9y 10m
17Q3 90 29y 06m 12 2y 01m 17 25y 00m 2 2y 02m 5 28y 00m
17Q4 133 25y 10m 19 2y 11m 28 18y 10m 1 0y 02m 1 17y 10m
18Q1 140 25y 10m 12 2y 08m 21 23y 01m 1 7y 10m 2 11y 02m
18Q2 182 22y 10m 27 2y 10m 33 18y 06m 4 0y 11m 5 18y 06m
18Q3 233 26y 04m 42 2y 01m 45 19y 11m 10 1y 06m 12 17y 06m
18Q4 263 31y 01m 26 4y 00m 27 20y 11m 3 0y 06m 3 11y 02m
19Q1 426 37y 05m 30 2y 06m 45 25y 01m 2 1y 04m 2 43y 11m
19Q2 603 39y 05m 41 4y 10m 65 24y 02m 3 2y 08m 6 15y 08m
19Q3 395 39y 04m 36 4y 01m 65 22y 04m 1 0y 03m 4 28y 00m
19Q4 36 21y 10m 14 7y 08m 29 16y 05m 3 5y 01m 4 16y 03m
20Q1 3 3y 11m 3 2y 06m 4 5y 08m 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 3 39y 07m                
19Q2 28 39y 11m 22 37y 05m 2 59y 06m 1 36y 10m        
19Q3 33 42y 03m 18 38y 10m 5 56y 06m 2 40y 05m        
19Q4 29 44y 05m 19 42y 11m 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 9 2y 02m 7 2y 04m            
19Q2 77 10y 02m 28 3y 08m 10 19y 00m 1 0y 02m    
19Q3 56 16y 02m 33 2y 06m 8 14y 01m 1 2y 00m    
19Q4 16 10y 07m 23 5y 00m 7 4y 08m 1 23y 01m    
20Q1     4 12y 00m     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 7.00            
15Q4 9 6.11            
16Q1 13 5.00 2 5.50        
16Q2 18 5.05 3 4.00        
16Q3 32 5.06 2 6.50 1 4.00    
16Q4 48 4.72 11 5.63 1 3.00    
17Q1 72 5.02 10 4.20 1 4.00    
17Q2 87 5.18 19 3.36 5 5.00 2 1.50
17Q3 101 5.09 14 3.92 3 3.66    
17Q4 124 5.35 20 3.55 2 1.50    
18Q1 120 5.14 16 4.68        
18Q2 168 4.93 24 4.20 1 3.00    
18Q3 214 5.67 32 4.46 3 3.66    
18Q4 256 5.52 14 5.14        
19Q1 410 4.56 23 3.17 1 1.00    
19Q2 599 3.63 34 3.11 1 9.00    
19Q3 656 2.51 33 1.57        
19Q4 126 2.32 9 1.44        

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
15Q3 1 5y 04m        
15Q4 7 1y 07m        
16Q1 10 2y 00m 2 0y 11m    
16Q2 15 1y 09m 2 3y 02m    
16Q3 27 1y 10m 2 1y 00m 1 2y 05m
16Q4 44 1y 08m 11 1y 07m 1 0y 09m
17Q1 70 1y 03m 10 0y 11m 1 0y 03m
17Q2 81 1y 03m 19 0y 11m 4 1y 01m
17Q3 96 1y 02m 12 1y 02m 3 0y 09m
17Q4 121 0y 10m 19 1y 03m 2 1y 04m
18Q1 116 0y 09m 16 -0y 02m    
18Q2 166 0y 09m 24 0y 00m 1 0y 09m
18Q3 213 0y 06m 32 0y 05m 3 0y 06m
18Q4 252 0y 08m 14 0y 05m    
19Q1 403 0y 09m 21 1y 01m 1 0y 10m
19Q2 573 0y 08m 34 0y 09m 1 -22y 10m
19Q3 573 1y 09m 31 0y 01m    
19Q4 193 2y 02m 13 0y 09m    
20Q1 65 0y 01m 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
15Q3 3 1y 07m        
15Q4 31 2y 06m        
16Q1 44 1y 11m 9 2y 04m    
16Q2 61 2y 00m 8 3y 07m    
16Q3 118 2y 03m 11 1y 07m 2 1y 06m
16Q4 164 2y 02m 48 2y 00m 2 3y 07m
17Q1 271 2y 03m 32 2y 04m 3 2y 02m
17Q2 350 2y 03m 45 2y 03m 20 1y 02m
17Q3 390 2y 02m 39 2y 09m 8 2y 04m
17Q4 519 2y 04m 49 2y 04m 1 4y 02m
18Q1 479 2y 04m 57 2y 07m    
18Q2 647 2y 03m 76 2y 01m 2 2y 00m
18Q3 992 2y 01m 109 1y 10m 8 2y 10m
18Q4 1144 2y 02m 58 1y 11m    
19Q1 1373 2y 06m 44 2y 04m    
19Q2 1498 2y 11m 70 2y 07m 7 2y 03m
19Q3 849 3y 00m 19 3y 05m    
19Q4 246 2y 10m 9 2y 08m    
20Q1 48 2y 03m 7 2y 02m    

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

Period Father Mother
NumberAge NumberAge
15Q4 1 48y 11m    
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 13 42y 00m 16 37y 01m
17Q2 38 42y 08m 34 38y 09m
17Q3 35 41y 04m 42 39y 10m
17Q4 100 43y 00m 96 38y 08m
18Q1 101 40y 04m 99 38y 06m
18Q2 142 41y 05m 150 37y 04m
18Q3 166 42y 00m 170 38y 02m
18Q4 206 40y 08m 206 37y 00m
19Q1 335 38y 07m 341 35y 07m
19Q2 489 37y 06m 468 34y 10m
19Q3 283 35y 00m 180 31y 11m
19Q4 18 34y 00m 13 28y 08m
20Q1 1 53y 04m 1 39y 01m

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