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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 38 51y 11m 38 53y 01m 17 53y 03m 7 68y 05m 107 29y 08m 87 31y 06m
17Q3 45 57y 11m 50 59y 04m 14 48y 05m 14 42y 06m 121 29y 05m 108 33y 09m
17Q4 71 58y 10m 86 54y 09m 33 48y 07m 18 54y 01m 178 34y 03m 168 35y 07m
18Q1 133 60y 04m 136 59y 03m 50 55y 04m 71 58y 07m 302 37y 02m 311 40y 10m
18Q2 172 59y 02m 175 58y 10m 104 53y 05m 95 57y 07m 480 34y 08m 416 39y 06m
18Q3 179 59y 09m 207 58y 06m 115 56y 02m 125 56y 08m 531 34y 01m 520 38y 04m
18Q4 200 63y 01m 190 64y 07m 118 58y 06m 130 62y 02m 541 37y 06m 507 41y 06m
19Q1 208 64y 02m 238 65y 02m 121 63y 04m 138 65y 04m 525 41y 08m 539 46y 09m
19Q2 357 65y 06m 300 67y 08m 130 64y 05m 135 67y 00m 589 55y 03m 506 58y 10m
19Q3 508 69y 06m 403 72y 03m 177 68y 08m 129 71y 04m 708 67y 04m 549 69y 11m
19Q4 645 73y 08m 581 78y 01m 109 66y 08m 106 77y 01m 769 71y 07m 697 76y 11m
20Q1 529 77y 08m 635 81y 09m 112 69y 01m 122 81y 02m 643 76y 00m 760 81y 05m

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 82 1.14
18Q2 100 1.25 85 1.17
18Q3 80 1.27 113 1.18
18Q4 96 1.28 95 1.18
19Q1 108 1.19 100 1.19
19Q2 184 1.19 134 1.08
19Q3 244 1.20 193 1.15
19Q4 322 1.17 278 1.13
20Q1 344 1.16 345 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 14 28y 08m 13 24y 05m 2 40y 07m            
16Q4 30 26y 06m 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 81 29y 01m 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 94 29y 01m 92 27y 06m 20 43y 06m 14 37y 06m 3 56y 11m 2 40y 03m
18Q3 119 29y 10m 131 27y 07m 32 41y 01m 20 33y 09m 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 238 28y 04m 255 25y 06m 27 41y 04m 22 37y 00m 2 41y 02m    
19Q2 379 28y 05m 354 25y 10m 51 43y 10m 30 38y 01m 6 58y 09m 2 56y 09m
19Q3 504 26y 02m 416 24y 06m 57 46y 00m 32 44y 08m 2 65y 08m 2 40y 02m
19Q4 193 27y 11m 134 26y 04m 40 47y 03m 27 44y 03m 2 65y 04m 4 57y 07m
20Q1 57 32y 11m 54 30y 10m 19 50y 02m 13 52y 11m 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 27y 04m 15 3y 07m 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 140 25y 03m 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 184 22y 04m 28 2y 09m 33 17y 10m 4 0y 11m 5 18y 06m
18Q3 239 25y 11m 42 2y 01m 47 20y 10m 10 1y 06m 12 17y 06m
18Q4 272 31y 04m 26 4y 00m 28 20y 08m 3 0y 06m 3 6y 04m
19Q1 454 37y 05m 32 2y 07m 47 24y 11m 2 1y 04m 2 43y 11m
19Q2 638 39y 08m 41 4y 10m 71 24y 04m 3 2y 08m 7 20y 04m
19Q3 527 42y 03m 39 4y 02m 69 23y 02m 1 0y 03m 4 28y 00m
19Q4 63 26y 07m 16 7y 03m 40 21y 02m 3 5y 01m 4 16y 03m
20Q1 8 10y 10m 3 2y 06m 11 9y 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 23 37y 01m 2 59y 06m 1 36y 10m        
19Q3 36 41y 03m 24 35y 11m 5 56y 06m 4 37y 04m        
19Q4 44 42y 00m 28 42y 11m 14 47y 09m 6 61y 10m     1 64y 11m
20Q1 14 49y 01m 4 45y 06m 2 50y 09m 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 07m            
19Q2 78 9y 01m 29 3y 08m 9 20y 05m 1 0y 02m    
19Q3 87 15y 06m 41 2y 09m 15 12y 01m 1 2y 00m    
19Q4 29 10y 06m 35 5y 03m 11 9y 07m 3 9y 05m 2 22y 06m
20Q1 2 7y 10m 10 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 4.92 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 5.24 20 3.30 5 5.00 2 1.50
17Q3 114 5.15 14 3.85 3 3.66    
17Q4 131 5.41 20 3.50 2 1.50    
18Q1 126 5.10 17 4.58        
18Q2 170 4.99 24 4.20 1 3.00    
18Q3 217 5.84 35 4.25 3 3.66    
18Q4 260 5.62 14 5.14        
19Q1 434 4.52 25 3.12 1 1.00    
19Q2 641 3.60 38 3.07 1 10.00    
19Q3 761 2.52 37 1.67        
19Q4 191 2.35 17 1.52 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 129 0y 10m 20 1y 05m 2 1y 04m
18Q1 122 0y 11m 17 -0y 02m    
18Q2 168 0y 08m 24 0y 00m 1 0y 09m
18Q3 217 0y 06m 35 0y 04m 3 0y 06m
18Q4 255 0y 08m 14 0y 05m    
19Q1 427 0y 09m 23 0y 11m 1 0y 10m
19Q2 613 0y 06m 37 1y 01m 1 -22y 10m
19Q3 683 1y 09m 35 0y 00m    
19Q4 225 2y 03m 20 0y 05m 1 -4y 06m
20Q1 82 0y 00m 9 -1y 01m 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 49 2y 01m 3 2y 08m
17Q1 321 2y 02m 39 2y 06m 3 2y 02m
17Q2 415 2y 03m 46 2y 02m 19 1y 01m
17Q3 451 2y 02m 39 2y 09m 8 2y 04m
17Q4 560 2y 04m 48 2y 04m 1 4y 02m
18Q1 503 2y 03m 57 2y 07m    
18Q2 669 2y 03m 76 2y 01m 2 2y 00m
18Q3 1044 2y 01m 109 1y 10m 8 2y 10m
18Q4 1188 2y 02m 58 1y 11m    
19Q1 1478 2y 06m 49 2y 05m    
19Q2 1580 2y 11m 70 2y 06m 8 2y 00m
19Q3 994 3y 00m 25 3y 03m    
19Q4 283 2y 11m 13 2y 11m 3 2y 08m
20Q1 67 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 105 38y 08m
18Q1 103 40y 03m 106 38y 03m
18Q2 152 41y 05m 153 37y 06m
18Q3 180 42y 00m 181 38y 00m
18Q4 216 40y 08m 218 37y 00m
19Q1 365 38y 04m 356 35y 06m
19Q2 535 37y 03m 525 34y 07m
19Q3 400 34y 03m 307 31y 08m
19Q4 41 34y 08m 25 30y 00m
20Q1 4 41y 01m 3 33y 09m

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