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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 20 29y 06m
17Q1 16 55y 10m 19 50y 06m 10 47y 01m 5 55y 03m 45 31y 02m 40 31y 10m
17Q2 33 50y 06m 34 52y 08m 14 55y 01m 5 78y 01m 85 31y 05m 72 32y 02m
17Q3 39 57y 04m 50 59y 01m 12 45y 08m 12 41y 08m 108 28y 02m 99 35y 05m
17Q4 59 58y 02m 79 55y 00m 26 49y 11m 18 53y 04m 140 35y 08m 147 37y 08m
18Q1 128 60y 07m 130 59y 08m 46 53y 08m 60 59y 05m 284 37y 04m 281 41y 09m
18Q2 168 58y 10m 165 58y 06m 89 53y 02m 88 57y 11m 451 34y 03m 389 39y 03m
18Q3 171 59y 11m 204 58y 05m 108 55y 05m 114 56y 07m 494 34y 07m 493 38y 07m
18Q4 192 62y 10m 185 64y 06m 111 59y 03m 119 61y 06m 511 37y 09m 474 41y 09m
19Q1 193 64y 01m 227 65y 01m 108 63y 05m 120 65y 06m 483 41y 05m 494 46y 11m
19Q2 338 65y 09m 289 67y 07m 119 64y 02m 124 66y 10m 554 55y 04m 480 58y 10m
19Q3 477 69y 05m 380 72y 06m 131 68y 10m 94 71y 08m 629 67y 03m 489 70y 03m
19Q4 593 73y 10m 547 78y 00m 67 64y 05m 59 78y 06m 674 71y 09m 617 76y 10m
20Q1 351 76y 08m 427 81y 01m 49 61y 08m 43 78y 07m 402 74y 07m 471 80y 09m

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 13 1.07 5 1.00
17Q1 21 1.28 12 1.16
17Q2 35 1.62 25 1.28
17Q3 33 1.30 31 1.19
17Q4 44 1.50 48 1.14
18Q1 81 1.25 79 1.17
18Q2 100 1.25 82 1.18
18Q3 79 1.26 112 1.18
18Q4 94 1.26 95 1.17
19Q1 103 1.19 98 1.18
19Q2 174 1.18 130 1.09
19Q3 235 1.20 185 1.14
19Q4 311 1.17 265 1.13
20Q1 235 1.16 239 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 13 28y 02m 12 24y 03m 2 40y 07m            
16Q4 30 26y 06m 17 25y 05m 5 35y 07m 4 44y 09m 1 48y 08m    
17Q1 42 26y 05m 33 26y 04m 12 38y 10m 5 35y 05m 1 43y 08m    
17Q2 46 26y 06m 50 25y 06m 15 40y 00m 10 39y 08m 5 40y 00m 1 40y 07m
17Q3 59 27y 03m 60 27y 02m 12 39y 07m 8 34y 07m 1 40y 07m 2 49y 09m
17Q4 79 29y 01m 62 27y 06m 20 48y 09m 9 38y 10m 1 46y 10m    
18Q1 72 28y 00m 73 27y 10m 10 42y 08m 11 33y 08m 1 47y 05m 2 44y 01m
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 134 25y 06m 15 41y 03m 14 43y 10m 2 47y 07m 1 61y 03m
19Q1 223 28y 06m 243 25y 06m 25 41y 07m 21 36y 11m 2 41y 02m    
19Q2 361 28y 05m 335 25y 11m 47 44y 01m 29 38y 02m 4 65y 05m 2 56y 09m
19Q3 472 26y 02m 382 24y 07m 56 46y 03m 25 46y 06m 2 65y 08m 2 40y 02m
19Q4 162 28y 02m 119 26y 06m 31 49y 01m 23 45y 03m 2 65y 04m 2 69y 10m
20Q1 48 32y 04m 46 30y 07m 13 50y 00m 8 48y 02m 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 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 13 23y 01m         1 4y 09m 1 6y 09m
16Q4 36 25y 06m 4 5y 03m 11 33y 08m     1 57y 10m
17Q1 55 27y 01m 5 1y 05m 11 18y 08m     1 10y 10m
17Q2 68 29y 00m 15 3y 03m 24 18y 08m 6 1y 06m 6 9y 10m
17Q3 95 29y 09m 12 2y 01m 17 25y 00m 2 2y 02m 5 28y 00m
17Q4 133 25y 07m 19 2y 11m 29 18y 11m 1 0y 02m 1 17y 10m
18Q1 143 25y 11m 12 2y 08m 21 23y 01m 1 7y 10m 3 7y 07m
18Q2 182 22y 08m 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 6y 04m
19Q1 427 37y 05m 30 2y 06m 45 25y 01m 2 1y 04m 2 43y 11m
19Q2 604 39y 04m 41 4y 10m 65 24y 02m 3 2y 08m 6 15y 08m
19Q3 412 39y 09m 36 4y 01m 65 22y 04m 1 0y 03m 4 28y 00m
19Q4 38 22y 06m 14 7y 08m 30 16y 10m 3 5y 01m 4 16y 03m
20Q1 4 5y 03m 3 2y 06m 4 5y 08m 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 28 39y 11m 22 37y 05m 2 59y 06m 1 36y 10m        
19Q3 34 41y 11m 19 38y 00m 5 56y 06m 3 37y 02m        
19Q4 30 43y 11m 20 43y 03m 11 47y 07m 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 01m 28 3y 08m 10 19y 00m 1 0y 02m    
19Q3 58 16y 02m 35 2y 07m 10 12y 10m 1 2y 00m    
19Q4 17 10y 01m 24 5y 04m 7 4y 08m 1 23y 01m    
20Q1     4 12y 00m     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 6.11            
16Q1 13 5.00 2 5.50        
16Q2 18 5.05 3 4.00        
16Q3 37 4.91 2 6.50 1 4.00    
16Q4 55 4.78 12 5.83 1 3.00    
17Q1 81 5.09 12 4.25 1 4.00    
17Q2 97 5.14 19 3.36 5 5.00 2 1.50
17Q3 107 5.13 14 3.92 3 3.66    
17Q4 124 5.33 21 3.52 2 1.50    
18Q1 123 5.07 16 4.68        
18Q2 168 4.94 24 4.20 1 3.00    
18Q3 214 5.76 32 4.46 3 3.66    
18Q4 258 5.55 14 5.14        
19Q1 412 4.57 23 3.17 1 1.00    
19Q2 601 3.65 34 3.11 1 9.00    
19Q3 666 2.51 34 1.58        
19Q4 132 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 32 1y 09m 2 1y 00m 1 2y 05m
16Q4 48 1y 08m 12 1y 07m 1 0y 09m
17Q1 78 1y 02m 12 0y 09m 1 0y 03m
17Q2 90 1y 03m 19 0y 11m 4 1y 01m
17Q3 100 1y 02m 12 1y 02m 3 0y 09m
17Q4 121 0y 10m 20 1y 06m 2 1y 04m
18Q1 118 0y 09m 16 -0y 02m    
18Q2 166 0y 09m 24 0y 00m 1 0y 09m
18Q3 214 0y 06m 32 0y 05m 3 0y 06m
18Q4 254 0y 08m 14 0y 05m    
19Q1 406 0y 09m 21 1y 01m 1 0y 10m
19Q2 574 0y 08m 34 0y 09m 1 -22y 10m
19Q3 586 1y 08m 32 0y 01m    
19Q4 193 2y 02m 13 0y 10m    
20Q1 67 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
15Q3 3 1y 07m        
15Q4 31 2y 06m        
16Q1 44 1y 11m 9 2y 04m    
16Q2 61 2y 00m 8 3y 07m    
16Q3 128 2y 04m 11 1y 07m 2 1y 06m
16Q4 180 2y 02m 54 2y 01m 2 3y 07m
17Q1 311 2y 03m 39 2y 06m 3 2y 02m
17Q2 387 2y 03m 45 2y 03m 20 1y 02m
17Q3 414 2y 02m 39 2y 09m 8 2y 04m
17Q4 517 2y 04m 51 2y 04m 1 4y 02m
18Q1 483 2y 04m 57 2y 07m    
18Q2 649 2y 03m 76 2y 01m 2 2y 00m
18Q3 1012 2y 01m 109 1y 10m 8 2y 10m
18Q4 1161 2y 02m 58 1y 11m    
19Q1 1384 2y 06m 46 2y 05m    
19Q2 1514 2y 11m 70 2y 07m 7 2y 03m
19Q3 870 3y 00m 20 3y 05m    
19Q4 246 2y 10m 11 2y 11m    
20Q1 52 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 15 41y 04m 18 37y 08m
17Q2 38 42y 08m 35 38y 08m
17Q3 35 41y 10m 44 39y 10m
17Q4 102 43y 03m 96 38y 09m
18Q1 103 40y 03m 100 38y 05m
18Q2 143 41y 05m 150 37y 04m
18Q3 167 42y 01m 171 38y 02m
18Q4 208 40y 09m 210 37y 01m
19Q1 337 38y 07m 342 35y 08m
19Q2 490 37y 07m 470 34y 11m
19Q3 299 34y 09m 198 31y 09m
19Q4 19 34y 11m 14 28y 09m
20Q1 2 43y 05m 1 39y 01m

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