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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 12 31y 05m 20 38y 03m
16Q4 13 56y 04m 7 52y 04m 8 51y 05m 3 54y 07m 33 36y 08m 21 28y 03m
17Q1 18 56y 02m 20 50y 09m 13 47y 07m 5 55y 03m 54 31y 03m 46 29y 11m
17Q2 37 52y 00m 38 53y 01m 17 53y 03m 7 68y 05m 106 29y 06m 87 31y 06m
17Q3 45 57y 11m 50 59y 04m 14 48y 05m 14 42y 06m 120 29y 06m 108 33y 09m
17Q4 71 58y 10m 87 55y 01m 33 48y 07m 18 54y 01m 176 34y 07m 169 35y 11m
18Q1 133 60y 04m 134 59y 03m 50 55y 04m 70 58y 11m 301 37y 04m 306 41y 00m
18Q2 172 59y 02m 174 58y 09m 100 53y 06m 94 57y 08m 473 34y 09m 414 39y 05m
18Q3 177 59y 10m 207 58y 06m 114 56y 00m 124 56y 08m 521 34y 04m 516 38y 06m
18Q4 200 63y 01m 188 64y 07m 117 58y 09m 129 62y 02m 533 38y 00m 500 41y 08m
19Q1 202 64y 02m 230 65y 02m 118 63y 06m 134 65y 04m 509 41y 10m 520 46y 11m
19Q2 347 65y 06m 295 67y 06m 126 64y 04m 135 66y 11m 571 55y 05m 499 58y 10m
19Q3 483 69y 05m 390 72y 05m 157 68y 07m 117 71y 04m 662 67y 03m 522 70y 03m
19Q4 624 73y 08m 564 77y 11m 101 66y 01m 93 77y 01m 739 71y 06m 668 76y 08m
20Q1 461 77y 03m 556 81y 06m 107 68y 04m 107 80y 03m 570 75y 04m 666 81y 00m

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 22 1.27 12 1.16
17Q2 35 1.62 27 1.25
17Q3 35 1.28 31 1.16
17Q4 51 1.49 54 1.16
18Q1 83 1.25 81 1.14
18Q2 100 1.25 84 1.17
18Q3 79 1.27 113 1.18
18Q4 95 1.28 95 1.17
19Q1 106 1.19 99 1.19
19Q2 177 1.18 132 1.09
19Q3 238 1.20 187 1.14
19Q4 314 1.17 272 1.13
20Q1 301 1.15 304 1.15

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 30 26y 08m 20 25y 02m 6 35y 07m 5 42y 08m 1 48y 08m    
17Q1 43 26y 09m 36 26y 06m 14 40y 11m 5 35y 05m        
17Q2 48 26y 05m 54 25y 05m 16 39y 02m 10 39y 08m 5 40y 00m 1 40y 07m
17Q3 62 27y 03m 64 26y 10m 12 39y 07m 8 34y 07m 1 40y 07m 2 49y 09m
17Q4 80 29y 02m 68 27y 03m 20 48y 09m 8 41y 01m 2 57y 05m    
18Q1 72 27y 10m 77 27y 08m 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 228 28y 06m 245 25y 05m 26 41y 10m 21 36y 11m 2 41y 02m    
19Q2 366 28y 05m 339 25y 11m 47 44y 01m 29 38y 02m 5 61y 03m 2 56y 09m
19Q3 489 26y 03m 403 24y 08m 57 46y 00m 31 44y 01m 2 65y 08m 2 40y 02m
19Q4 180 28y 00m 128 26y 03m 35 47y 08m 26 44y 00m 2 65y 04m 4 57y 07m
20Q1 54 32y 07m 52 30y 05m 15 50y 05m 11 50y 01m 4 66y 01m 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 11m 4 5y 03m 12 32y 08m     1 57y 10m
17Q1 57 26y 02m 6 1y 06m 13 20y 10m        
17Q2 74 28y 01m 14 3y 06m 24 19y 08m 6 1y 06m 6 9y 10m
17Q3 101 29y 00m 12 2y 01m 17 25y 05m 2 2y 02m 5 28y 00m
17Q4 139 25y 05m 19 2y 11m 30 17y 08m 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 03m 28 2y 09m 33 17y 10m 4 0y 11m 5 18y 06m
18Q3 236 26y 02m 42 2y 01m 46 20y 03m 10 1y 06m 12 17y 06m
18Q4 266 31y 00m 26 4y 00m 28 20y 08m 3 0y 06m 3 6y 04m
19Q1 436 37y 06m 30 2y 06m 46 24y 08m 2 1y 04m 2 43y 11m
19Q2 620 39y 05m 41 4y 10m 66 24y 06m 3 2y 08m 7 20y 04m
19Q3 489 41y 04m 38 4y 03m 67 22y 11m 1 0y 03m 4 28y 00m
19Q4 50 24y 06m 14 7y 08m 35 19y 04m 3 5y 01m 4 16y 03m
20Q1 5 7y 11m 3 2y 06m 7 8y 02m 2 3y 04m 4 8y 01m

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 36 41y 03m 21 37y 01m 5 56y 06m 4 37y 04m        
19Q4 39 42y 02m 25 42y 06m 13 47y 09m 6 61y 10m     1 64y 11m
20Q1 9 50y 02m 3 49y 08m 1 39y 01m 1 67y 11m     1 71y 00m

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 76 15y 06m 40 2y 10m 15 12y 01m 1 2y 00m    
19Q4 23 10y 05m 31 5y 08m 9 8y 07m 3 9y 05m 2 22y 06m
20Q1 1 13y 01m 6 10y 06m     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 41 4.78 2 6.50 1 4.00    
16Q4 60 4.88 11 6.00 2 2.50 1 4.00
17Q1 83 5.14 12 4.25 1 4.00    
17Q2 101 5.25 20 3.30 5 5.00 2 1.50
17Q3 114 5.15 14 3.85 3 3.66    
17Q4 130 5.45 20 3.50 2 1.50    
18Q1 126 5.07 17 4.58        
18Q2 169 4.97 24 4.20 1 3.00    
18Q3 216 5.81 34 4.35 3 3.66    
18Q4 260 5.56 14 5.14        
19Q1 416 4.55 24 3.16 1 1.00    
19Q2 615 3.66 35 3.25 1 10.00    
19Q3 727 2.53 37 1.67        
19Q4 174 2.35 16 1.50 1 4.00    

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 36 2y 00m 2 1y 00m 1 2y 05m
16Q4 53 1y 07m 11 1y 08m 2 5y 01m
17Q1 78 1y 02m 12 0y 09m 1 0y 03m
17Q2 98 1y 03m 19 0y 11m 4 1y 01m
17Q3 109 1y 04m 13 1y 02m 3 0y 09m
17Q4 128 0y 10m 20 1y 05m 2 1y 04m
18Q1 122 0y 11m 17 -0y 02m    
18Q2 167 0y 08m 24 0y 00m 1 0y 09m
18Q3 216 0y 06m 34 0y 04m 3 0y 06m
18Q4 255 0y 08m 14 0y 05m    
19Q1 412 0y 09m 22 1y 01m 1 0y 10m
19Q2 589 0y 07m 34 0y 09m 1 -22y 10m
19Q3 645 1y 08m 35 0y 00m    
19Q4 210 2y 03m 19 0y 09m 1 -4y 06m
20Q1 78 -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 3 2y 08m
17Q1 321 2y 02m 39 2y 06m 3 2y 02m
17Q2 416 2y 03m 46 2y 02m 19 1y 01m
17Q3 451 2y 02m 39 2y 09m 8 2y 04m
17Q4 559 2y 04m 48 2y 04m 1 4y 02m
18Q1 497 2y 03m 57 2y 07m    
18Q2 659 2y 03m 76 2y 01m 2 2y 00m
18Q3 1029 2y 01m 109 1y 10m 8 2y 10m
18Q4 1173 2y 02m 58 1y 11m    
19Q1 1417 2y 06m 48 2y 05m    
19Q2 1555 2y 11m 70 2y 06m 8 2y 00m
19Q3 942 3y 00m 25 3y 03m    
19Q4 267 2y 10m 12 2y 11m 3 2y 08m
20Q1 60 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 9 38y 08m
17Q1 17 40y 08m 17 37y 08m
17Q2 44 42y 09m 38 38y 09m
17Q3 38 41y 06m 48 39y 10m
17Q4 108 43y 00m 103 38y 11m
18Q1 103 40y 03m 106 38y 02m
18Q2 151 41y 05m 151 37y 06m
18Q3 176 42y 00m 177 38y 01m
18Q4 210 40y 07m 212 37y 00m
19Q1 348 38y 06m 348 35y 06m
19Q2 514 37y 05m 504 34y 09m
19Q3 360 34y 06m 263 31y 08m
19Q4 33 34y 06m 18 30y 01m
20Q1 2 43y 05m 2 39y 07m

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