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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 18 56y 02m 20 50y 09m 12 48y 02m 5 55y 03m 53 31y 01m 46 29y 11m
17Q2 36 52y 01m 37 53y 05m 17 53y 03m 7 68y 05m 105 29y 03m 87 31y 01m
17Q3 44 58y 02m 50 59y 04m 14 48y 05m 14 42y 06m 119 29y 05m 108 33y 09m
17Q4 71 58y 10m 87 55y 01m 33 48y 07m 18 54y 01m 172 35y 05m 169 35y 11m
18Q1 133 60y 04m 134 59y 03m 50 55y 04m 69 58y 10m 299 37y 07m 302 41y 03m
18Q2 172 59y 02m 171 58y 08m 99 53y 06m 93 57y 06m 470 34y 10m 408 39y 04m
18Q3 176 59y 10m 207 58y 07m 113 55y 11m 121 56y 10m 518 34y 03m 513 38y 06m
18Q4 198 63y 01m 187 64y 08m 117 58y 09m 128 62y 05m 529 38y 00m 496 41y 10m
19Q1 200 64y 02m 229 65y 01m 116 63y 07m 131 65y 08m 504 41y 09m 514 47y 00m
19Q2 345 65y 08m 295 67y 06m 123 64y 06m 131 66y 10m 566 55y 05m 495 58y 09m
19Q3 481 69y 05m 389 72y 05m 150 68y 04m 115 71y 02m 653 67y 02m 519 70y 03m
19Q4 616 73y 09m 560 78y 00m 97 65y 11m 87 76y 11m 727 71y 07m 658 76y 09m
20Q1 429 77y 03m 531 81y 06m 100 68y 02m 100 79y 11m 531 75y 04m 634 80y 11m

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 26 1.26
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 83 1.18
18Q3 79 1.27 113 1.18
18Q4 95 1.28 95 1.17
19Q1 106 1.19 99 1.19
19Q2 176 1.18 132 1.09
19Q3 238 1.20 187 1.14
19Q4 313 1.17 270 1.13
20Q1 276 1.15 285 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 30 26y 08m 20 25y 02m 6 35y 07m 5 42y 08m 1 48y 08m    
17Q1 42 26y 10m 36 26y 01m 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 61 27y 02m 63 26y 10m 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 2 57y 05m    
18Q1 73 27y 11m 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 28 38y 01m 5 61y 03m 2 56y 09m
19Q3 482 26y 03m 393 24y 08m 56 46y 03m 29 45y 04m 2 65y 08m 2 40y 02m
19Q4 174 28y 01m 124 26y 05m 33 48y 04m 25 44y 01m 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 11m 4 5y 03m 12 32y 08m     1 57y 10m
17Q1 58 26y 01m 6 1y 06m 13 20y 10m        
17Q2 74 28y 08m 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 30 17y 08m 1 0y 02m 1 17y 10m
18Q1 147 26y 02m 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 435 37y 06m 30 2y 06m 46 25y 03m 2 1y 04m 2 43y 11m
19Q2 619 39y 05m 40 4y 10m 65 24y 02m 3 2y 08m 7 20y 04m
19Q3 466 40y 11m 38 4y 03m 67 22y 11m 1 0y 03m 4 28y 00m
19Q4 47 23y 07m 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 20 37y 09m 5 56y 06m 3 37y 02m        
19Q4 35 42y 10m 23 42y 11m 12 47y 11m 5 68y 07m     1 64y 11m
20Q1 9 50y 02m 2 50y 01m 1 39y 01m 1 67y 11m        

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 68 15y 08m 38 2y 11m 12 12y 11m 1 2y 00m    
19Q4 22 10y 10m 28 5y 06m 9 8y 07m 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 101 5.25 20 3.30 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 127 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 614 3.66 35 3.25 1 10.00    
19Q3 706 2.54 36 1.61        
19Q4 162 2.33 14 1.35        

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 98 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 123 0y 11m 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 589 0y 07m 34 0y 09m 1 -22y 10m
19Q3 628 1y 08m 34 0y 00m    
19Q4 205 2y 02m 18 0y 08m    
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 416 2y 03m 46 2y 02m 19 1y 01m
17Q3 446 2y 02m 38 2y 09m 8 2y 04m
17Q4 553 2y 04m 48 2y 04m 1 4y 02m
18Q1 500 2y 03m 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 1402 2y 06m 48 2y 05m    
19Q2 1551 2y 11m 70 2y 06m 8 2y 00m
19Q3 926 3y 00m 22 3y 04m    
19Q4 260 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 9 38y 08m
17Q1 17 40y 08m 18 38y 00m
17Q2 44 42y 09m 38 38y 09m
17Q3 37 41y 07m 47 40y 00m
17Q4 108 43y 00m 102 38y 11m
18Q1 104 40y 03m 105 38y 01m
18Q2 150 41y 03m 151 37y 05m
18Q3 174 42y 00m 173 38y 02m
18Q4 209 40y 08m 212 37y 00m
19Q1 346 38y 06m 347 35y 06m
19Q2 513 37y 06m 501 34y 09m
19Q3 337 34y 08m 245 31y 09m
19Q4 29 34y 11m 17 29y 10m
20Q1 2 43y 05m 2 39y 07m

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