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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 6 35y 05m 10 27y 08m 12 30y 01m
16Q3 4 60y 10m 6 54y 06m 3 44y 02m 9 45y 04m 11 34y 04m 20 38y 03m
16Q4 13 56y 04m 7 52y 04m 8 51y 05m 3 54y 07m 33 36y 08m 21 28y 03m
17Q1 17 56y 02m 20 50y 09m 12 48y 02m 5 55y 03m 52 30y 07m 45 30y 07m
17Q2 34 52y 00m 37 53y 04m 17 53y 03m 6 70y 05m 99 29y 08m 84 31y 03m
17Q3 44 58y 02m 49 59y 05m 13 46y 09m 13 43y 08m 118 29y 01m 106 33y 08m
17Q4 69 58y 11m 86 55y 00m 30 49y 09m 17 54y 01m 167 35y 02m 163 36y 04m
18Q1 133 60y 04m 135 59y 04m 49 54y 09m 68 59y 01m 298 37y 05m 301 41y 06m
18Q2 171 59y 01m 171 58y 08m 99 53y 06m 92 57y 04m 468 34y 10m 407 39y 02m
18Q3 175 59y 11m 206 58y 05m 112 56y 00m 121 56y 10m 516 34y 03m 512 38y 05m
18Q4 197 63y 00m 187 64y 08m 117 58y 09m 126 62y 02m 528 37y 11m 494 41y 08m
19Q1 200 64y 02m 229 65y 01m 115 63y 05m 131 65y 08m 503 41y 08m 514 47y 00m
19Q2 343 65y 08m 295 67y 06m 124 64y 05m 131 66y 10m 565 55y 05m 495 58y 09m
19Q3 480 69y 05m 389 72y 05m 150 68y 04m 112 71y 04m 652 67y 02m 516 70y 03m
19Q4 611 73y 09m 558 78y 00m 89 65y 04m 79 76y 10m 714 71y 07m 648 76y 08m
20Q1 415 77y 01m 512 81y 03m 94 68y 04m 88 80y 00m 511 75y 03m 602 80y 10m

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 14 1.14 6 1.00
17Q1 23 1.26 12 1.16
17Q2 34 1.64 26 1.26
17Q3 35 1.28 31 1.16
17Q4 49 1.48 54 1.16
18Q1 83 1.25 81 1.14
18Q2 100 1.25 83 1.18
18Q3 79 1.27 112 1.18
18Q4 95 1.28 95 1.17
19Q1 106 1.19 99 1.19
19Q2 175 1.18 132 1.09
19Q3 237 1.20 187 1.14
19Q4 313 1.17 269 1.13
20Q1 267 1.15 268 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 4 21y 10m 1 31y 09m     1 42y 08m    
16Q3 13 28y 02m 13 24y 05m 2 40y 07m            
16Q4 29 26y 09m 20 25y 02m 6 35y 07m 5 42y 08m 1 48y 08m    
17Q1 42 26y 10m 36 26y 01m 13 39y 05m 5 35y 05m 1 43y 08m    
17Q2 47 26y 05m 53 25y 06m 16 39y 02m 10 39y 08m 5 40y 00m 1 40y 07m
17Q3 61 27y 02m 62 27y 00m 12 39y 07m 8 34y 07m 1 40y 07m 2 49y 09m
17Q4 79 29y 01m 68 27y 03m 20 48y 09m 8 41y 01m 1 46y 10m    
18Q1 73 27y 11m 76 27y 09m 10 42y 08m 12 32y 10m 1 47y 05m 2 44y 01m
18Q2 93 29y 02m 92 27y 06m 20 43y 06m 14 37y 06m 3 56y 11m 2 40y 03m
18Q3 116 29y 09m 132 27y 08m 32 41y 01m 19 33y 11m 7 47y 00m 6 46y 01m
18Q4 155 28y 08m 134 25y 06m 15 41y 03m 14 43y 10m 2 47y 07m 1 61y 03m
19Q1 227 28y 06m 245 25y 05m 26 41y 10m 21 36y 11m 2 41y 02m    
19Q2 365 28y 05m 337 25y 11m 47 44y 01m 28 38y 01m 5 61y 03m 2 56y 09m
19Q3 480 26y 03m 390 24y 08m 56 46y 03m 27 45y 11m 2 65y 08m 2 40y 02m
19Q4 170 28y 01m 123 26y 05m 33 48y 04m 24 44y 06m 2 65y 04m 3 66y 08m
20Q1 52 33y 00m 51 30y 03m 15 50y 05m 9 49y 05m 3 65y 08m 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 31y 02m             1 11y 00m
16Q1 9 26y 03m 1 0y 09m 1 10y 04m        
16Q2 13 23y 08m     2 22y 09m     1 16y 02m
16Q3 16 25y 11m 1 1y 02m 1 19y 09m 1 4y 09m 1 6y 09m
16Q4 42 27y 04m 4 5y 03m 12 32y 08m     1 57y 10m
17Q1 57 26y 05m 6 1y 06m 13 20y 10m     1 10y 10m
17Q2 72 29y 00m 14 3y 06m 24 19y 08m 6 1y 06m 6 9y 10m
17Q3 100 29y 01m 12 2y 01m 17 25y 05m 2 2y 02m 5 28y 00m
17Q4 138 25y 06m 19 2y 11m 29 18y 03m 1 0y 02m 1 17y 10m
18Q1 146 26y 01m 12 2y 08m 22 23y 11m 1 7y 10m 3 7y 07m
18Q2 183 22y 05m 28 2y 09m 33 17y 10m 4 0y 11m 5 18y 06m
18Q3 235 26y 03m 42 2y 01m 46 20y 03m 10 1y 06m 12 17y 06m
18Q4 265 31y 01m 26 4y 00m 28 20y 08m 3 0y 06m 3 6y 04m
19Q1 433 37y 06m 30 2y 06m 46 25y 03m 2 1y 04m 2 43y 11m
19Q2 615 39y 05m 40 4y 10m 65 24y 02m 3 2y 08m 7 20y 04m
19Q3 456 40y 09m 37 4y 02m 65 22y 04m 1 0y 03m 4 28y 00m
19Q4 42 22y 04m 14 7y 08m 32 17y 10m 3 5y 01m 4 16y 03m
20Q1 5 7y 11m 3 2y 06m 6 7y 01m 2 3y 04m 3 5y 08m

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 30 39y 08m 22 37y 05m 2 59y 06m 1 36y 10m        
19Q3 35 41y 06m 19 38y 00m 5 56y 06m 3 37y 02m        
19Q4 34 42y 08m 22 43y 08m 12 47y 11m 5 68y 07m     1 64y 11m
20Q1 8 50y 03m 2 50y 01m 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 8 2y 08m            
19Q2 78 9y 06m 28 3y 08m 9 20y 05m 1 0y 02m    
19Q3 65 15y 10m 37 2y 08m 12 12y 11m 1 2y 00m    
19Q4 21 10y 07m 27 5y 05m 8 5y 04m 2 13y 00m 1 4y 07m
20Q1 1 13y 01m 5 11y 03m     2 20y 11m    

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 6.22            
16Q1 13 5.00 2 5.50        
16Q2 21 5.14 3 4.00        
16Q3 40 4.87 2 6.50 1 4.00    
16Q4 60 4.88 11 6.00 1 3.00 1 4.00
17Q1 84 5.15 12 4.25 1 4.00    
17Q2 99 5.33 19 3.42 5 5.00 2 1.50
17Q3 111 5.23 14 3.85 3 3.66    
17Q4 129 5.43 20 3.50 2 1.50    
18Q1 126 5.06 17 4.58        
18Q2 169 4.94 24 4.20 1 3.00    
18Q3 215 5.82 32 4.56 3 3.66    
18Q4 260 5.55 14 5.14        
19Q1 416 4.54 24 3.16 1 1.00    
19Q2 612 3.66 35 3.25 1 9.00    
19Q3 700 2.54 35 1.62        
19Q4 161 2.32 13 1.38        

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 19 1y 07m 2 3y 02m    
16Q3 35 2y 00m 2 1y 00m 1 2y 05m
16Q4 53 1y 07m 11 1y 08m 1 0y 09m
17Q1 79 1y 02m 12 0y 09m 1 0y 03m
17Q2 96 1y 03m 19 0y 11m 4 1y 01m
17Q3 105 1y 02m 13 1y 02m 3 0y 09m
17Q4 127 0y 10m 20 1y 05m 2 1y 04m
18Q1 122 0y 10m 17 -0y 02m    
18Q2 167 0y 09m 24 0y 00m 1 0y 09m
18Q3 215 0y 06m 32 0y 05m 3 0y 06m
18Q4 255 0y 08m 14 0y 05m    
19Q1 412 0y 09m 22 1y 01m 1 0y 10m
19Q2 588 0y 07m 34 0y 09m 1 -22y 10m
19Q3 617 1y 08m 33 0y 02m    
19Q4 202 2y 02m 17 0y 09m    
20Q1 77 -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 75 2y 00m 8 3y 07m    
16Q3 139 2y 05m 11 1y 07m 2 1y 06m
16Q4 205 2y 02m 51 2y 01m 2 3y 07m
17Q1 326 2y 03m 39 2y 06m 3 2y 02m
17Q2 415 2y 03m 46 2y 02m 20 1y 02m
17Q3 446 2y 02m 38 2y 09m 8 2y 04m
17Q4 553 2y 04m 48 2y 04m 1 4y 02m
18Q1 496 2y 04m 57 2y 07m    
18Q2 655 2y 03m 76 2y 01m 2 2y 00m
18Q3 1028 2y 01m 109 1y 10m 8 2y 10m
18Q4 1172 2y 02m 58 1y 11m    
19Q1 1401 2y 06m 48 2y 05m    
19Q2 1548 2y 11m 70 2y 06m 7 2y 03m
19Q3 911 3y 00m 22 3y 04m    
19Q4 257 2y 10m 11 2y 11m    
20Q1 58 2y 05m 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 3 30y 02m 2 25y 01m
16Q3 9 41y 00m 7 37y 00m
16Q4 11 39y 04m 10 37y 05m
17Q1 16 41y 04m 18 38y 00m
17Q2 44 43y 00m 39 39y 03m
17Q3 37 41y 07m 47 40y 00m
17Q4 108 43y 00m 103 38y 11m
18Q1 103 40y 02m 104 38y 01m
18Q2 149 41y 04m 151 37y 05m
18Q3 174 42y 00m 173 38y 02m
18Q4 210 40y 08m 213 37y 00m
19Q1 344 38y 06m 347 35y 06m
19Q2 509 37y 06m 498 34y 09m
19Q3 330 34y 08m 232 31y 10m
19Q4 25 34y 09m 15 29y 01m
20Q1 2 43y 05m 2 39y 07m

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