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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 28 37y 06m 20 29y 06m
17Q1 16 55y 10m 19 50y 06m 10 47y 01m 5 55y 03m 47 29y 10m 42 30y 04m
17Q2 33 50y 07m 35 52y 07m 14 55y 01m 6 75y 00m 90 29y 09m 76 31y 11m
17Q3 41 56y 11m 49 59y 05m 12 45y 08m 12 41y 08m 111 28y 03m 101 34y 04m
17Q4 61 58y 06m 80 55y 04m 28 49y 06m 18 54y 06m 145 36y 00m 152 37y 04m
18Q1 129 60y 08m 134 59y 06m 46 53y 08m 63 58y 00m 287 37y 02m 293 41y 01m
18Q2 171 59y 01m 168 58y 06m 92 52y 11m 88 57y 11m 458 34y 06m 394 39y 02m
18Q3 173 59y 10m 205 58y 06m 108 55y 05m 117 56y 03m 508 34y 00m 503 38y 03m
18Q4 195 62y 10m 187 64y 07m 116 58y 09m 122 61y 10m 523 37y 10m 485 41y 07m
19Q1 195 64y 02m 228 65y 01m 111 63y 05m 125 65y 02m 489 41y 07m 502 46y 10m
19Q2 338 65y 09m 290 67y 08m 124 64y 04m 129 66y 06m 559 55y 05m 487 58y 09m
19Q3 478 69y 05m 382 72y 06m 140 69y 02m 101 72y 02m 639 67y 05m 498 70y 05m
19Q4 601 73y 09m 549 78y 00m 70 64y 07m 63 77y 07m 685 71y 08m 623 76y 09m
20Q1 370 76y 08m 437 81y 02m 60 64y 02m 54 78y 04m 432 74y 08m 492 80y 08m

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 22 1.27 12 1.16
17Q2 35 1.62 25 1.28
17Q3 34 1.29 30 1.16
17Q4 43 1.48 49 1.16
18Q1 82 1.25 81 1.17
18Q2 100 1.25 83 1.18
18Q3 79 1.27 112 1.18
18Q4 94 1.26 95 1.17
19Q1 103 1.19 99 1.19
19Q2 174 1.18 130 1.09
19Q3 235 1.20 185 1.14
19Q4 312 1.16 266 1.13
20Q1 240 1.15 242 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 5 27y 03m 1 31y 09m     1 42y 08m    
16Q3 13 28y 02m 13 24y 05m 2 40y 07m            
16Q4 31 26y 07m 18 25y 02m 6 35y 07m 4 44y 09m 1 48y 08m    
17Q1 41 26y 05m 34 26y 07m 13 39y 05m 5 35y 05m 1 43y 08m    
17Q2 47 26y 05m 52 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 62 27y 06m 20 48y 09m 9 38y 10m 1 46y 10m    
18Q1 73 27y 11m 74 27y 09m 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 224 28y 06m 243 25y 06m 25 41y 07m 21 36y 11m 2 41y 02m    
19Q2 361 28y 06m 336 25y 11m 47 44y 01m 29 38y 02m 4 65y 05m 2 56y 09m
19Q3 475 26y 02m 388 24y 08m 56 46y 03m 26 45y 11m 2 65y 08m 2 40y 02m
19Q4 164 28y 01m 121 26y 06m 31 49y 01m 23 45y 03m 2 65y 04m 3 66y 08m
20Q1 48 32y 04m 48 30y 04m 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 23y 08m     2 22y 09m     1 16y 02m
16Q3 15 24y 10m         1 4y 09m 1 6y 09m
16Q4 38 27y 09m 4 5y 03m 12 32y 08m     1 57y 10m
17Q1 55 27y 01m 5 1y 05m 12 19y 11m     1 10y 10m
17Q2 69 28y 07m 15 3y 03m 24 20y 05m 6 1y 06m 6 9y 10m
17Q3 97 29y 06m 12 2y 01m 17 25y 05m 2 2y 02m 5 28y 00m
17Q4 133 25y 07m 19 2y 11m 29 18y 11m 1 0y 02m 1 17y 10m
18Q1 144 25y 11m 12 2y 08m 21 23y 01m 1 7y 10m 3 7y 07m
18Q2 182 22y 06m 28 2y 09m 33 18y 06m 4 0y 11m 5 18y 06m
18Q3 233 26y 02m 42 2y 01m 45 19y 11m 10 1y 06m 12 17y 06m
18Q4 263 31y 01m 26 4y 00m 28 20y 08m 3 0y 06m 3 6y 04m
19Q1 428 37y 05m 30 2y 06m 45 25y 01m 2 1y 04m 2 43y 11m
19Q2 606 39y 06m 41 4y 10m 65 24y 02m 3 2y 08m 6 15y 08m
19Q3 421 39y 07m 36 4y 01m 65 22y 04m 1 0y 03m 4 28y 00m
19Q4 42 22y 06m 14 7y 08m 31 17y 02m 3 5y 01m 4 16y 03m
20Q1 4 5y 03m 3 2y 06m 5 7y 11m 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 29 39y 09m 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 5 68y 07m     1 64y 11m
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 9y 08m 28 3y 08m 10 19y 00m 1 0y 02m    
19Q3 59 15y 11m 35 2y 07m 11 14y 01m 1 2y 00m    
19Q4 17 10y 01m 24 5y 04m 7 4y 08m 2 13y 00m 1 4y 07m
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 5.22 3 4.00        
16Q3 39 4.84 2 6.50 1 4.00    
16Q4 57 4.80 11 6.00 1 3.00    
17Q1 82 5.25 12 4.25 1 4.00    
17Q2 98 5.13 19 3.42 5 5.00 2 1.50
17Q3 110 5.18 14 3.92 3 3.66    
17Q4 124 5.38 21 3.52 2 1.50    
18Q1 124 5.07 16 4.68        
18Q2 168 4.95 24 4.20 1 3.00    
18Q3 215 5.76 32 4.46 3 3.66    
18Q4 258 5.57 14 5.14        
19Q1 413 4.56 23 3.17 1 1.00    
19Q2 607 3.66 34 3.17 1 9.00    
19Q3 679 2.51 35 1.62        
19Q4 137 2.32 10 1.40        

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 06m 2 3y 02m    
16Q3 35 2y 00m 2 1y 00m 1 2y 05m
16Q4 50 1y 07m 11 1y 08m 1 0y 09m
17Q1 78 1y 02m 12 0y 09m 1 0y 03m
17Q2 91 1y 03m 19 0y 11m 4 1y 01m
17Q3 103 1y 02m 12 1y 02m 3 0y 09m
17Q4 121 0y 10m 21 1y 07m 2 1y 04m
18Q1 120 0y 10m 16 -0y 02m    
18Q2 166 0y 09m 24 0y 00m 1 0y 09m
18Q3 215 0y 06m 32 0y 05m 3 0y 06m
18Q4 254 0y 08m 14 0y 05m    
19Q1 408 0y 09m 21 1y 01m 1 0y 10m
19Q2 580 0y 07m 34 0y 09m 1 -22y 10m
19Q3 607 1y 08m 33 0y 02m    
19Q4 195 2y 02m 14 0y 09m    
20Q1 70 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 64 2y 00m 8 3y 07m    
16Q3 136 2y 05m 11 1y 07m 2 1y 06m
16Q4 189 2y 02m 51 2y 01m 2 3y 07m
17Q1 327 2y 03m 39 2y 06m 3 2y 02m
17Q2 392 2y 03m 46 2y 02m 20 1y 02m
17Q3 431 2y 02m 39 2y 09m 8 2y 04m
17Q4 523 2y 04m 51 2y 04m 1 4y 02m
18Q1 487 2y 04m 57 2y 07m    
18Q2 653 2y 03m 76 2y 01m 2 2y 00m
18Q3 1014 2y 01m 109 1y 10m 8 2y 10m
18Q4 1165 2y 02m 58 1y 11m    
19Q1 1393 2y 06m 46 2y 05m    
19Q2 1538 2y 11m 70 2y 06m 7 2y 03m
19Q3 897 3y 00m 22 3y 04m    
19Q4 248 2y 10m 11 2y 11m    
20Q1 53 2y 04m 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 7 37y 00m
16Q4 11 39y 04m 8 38y 00m
17Q1 15 41y 04m 18 38y 00m
17Q2 40 42y 07m 35 38y 11m
17Q3 36 42y 00m 45 39y 11m
17Q4 104 43y 03m 97 38y 11m
18Q1 103 40y 02m 101 38y 05m
18Q2 147 41y 05m 150 37y 04m
18Q3 170 42y 00m 173 38y 02m
18Q4 209 40y 09m 211 37y 01m
19Q1 338 38y 07m 343 35y 07m
19Q2 499 37y 06m 479 34y 11m
19Q3 313 34y 08m 207 31y 09m
19Q4 21 34y 10m 15 28y 07m
20Q1 2 43y 05m 1 39y 01m

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