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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             2 13y 02m    
16Q1         1 31y 01m     4 12y 06m 4 6y 08m
16Q2 4 46y 11m 3 51y 05m 3 55y 10m 6 41y 03m 11 33y 07m 15 28y 09m
16Q3 7 63y 02m 6 54y 07m 3 41y 05m 7 44y 08m 19 31y 09m 19 35y 04m
16Q4 14 55y 00m 13 49y 00m 7 51y 10m 5 47y 10m 38 31y 11m 27 34y 08m
17Q1 19 53y 04m 18 50y 11m 10 46y 07m 6 55y 06m 45 33y 10m 44 30y 02m
17Q2 34 51y 01m 45 53y 11m 16 56y 07m 7 67y 07m 88 32y 04m 87 34y 10m
17Q3 41 58y 01m 50 59y 02m 12 50y 01m 14 47y 07m 118 27y 07m 101 36y 05m
17Q4 60 59y 03m 78 55y 03m 22 52y 03m 20 57y 08m 149 33y 09m 142 40y 00m
18Q1 140 60y 04m 128 59y 04m 45 53y 04m 60 59y 10m 313 36y 01m 295 39y 04m
18Q2 179 59y 05m 176 59y 00m 94 53y 06m 88 55y 04m 477 34y 10m 418 38y 01m
18Q3 182 60y 11m 220 58y 11m 122 55y 09m 115 55y 07m 532 35y 05m 519 38y 08m
18Q4 196 63y 02m 180 64y 10m 118 59y 11m 125 60y 10m 524 38y 06m 487 40y 08m
19Q1 205 64y 02m 237 65y 04m 135 63y 10m 129 65y 05m 518 43y 08m 511 48y 00m
19Q2 346 65y 04m 299 67y 04m 115 63y 06m 120 66y 05m 557 55y 01m 489 58y 04m
19Q3 489 69y 07m 393 72y 06m 97 69y 07m 82 74y 00m 608 67y 06m 490 70y 08m
19Q4 601 73y 09m 560 77y 11m 59 62y 09m 61 78y 03m 675 71y 06m 633 76y 08m
20Q1 301 76y 07m 365 81y 04m 41 63y 00m 34 79y 05m 344 74y 07m 400 80y 11m

Number of relations per quarter century of date of death

Period Males Females
NumberMarriages NumberMarriages
15Q4 2 1.00 2 1.00
16Q1 10 1.50    
16Q2 16 1.31 7 1.00
16Q3 18 1.27 11 1.09
16Q4 20 1.30 14 1.07
17Q1 22 1.36 20 1.10
17Q2 45 1.57 42 1.14
17Q3 47 1.21 43 1.20
17Q4 57 1.42 60 1.13
18Q1 105 1.23 93 1.13
18Q2 119 1.22 108 1.15
18Q3 95 1.25 128 1.18
18Q4 98 1.27 101 1.18
19Q1 112 1.19 105 1.15
19Q2 188 1.18 138 1.08
19Q3 256 1.19 191 1.14
19Q4 319 1.16 276 1.13
20Q1 205 1.15 197 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 3 22y 03m 2 21y 03m 1 27y 01m            
16Q2 10 26y 11m 6 26y 09m 1 31y 09m     1 42y 08m    
16Q3 15 27y 09m 17 24y 05m 2 40y 07m 3 38y 05m        
16Q4 31 26y 05m 17 25y 01m 6 34y 06m 4 44y 09m 1 48y 08m 1 57y 11m
17Q1 49 27y 01m 38 26y 06m 12 38y 07m 5 34y 01m 1 43y 08m    
17Q2 52 26y 01m 57 25y 08m 16 39y 08m 9 38y 00m 5 40y 00m 1 40y 07m
17Q3 63 27y 04m 65 27y 02m 13 39y 10m 6 35y 03m 1 40y 07m 1 34y 11m
17Q4 85 29y 10m 68 27y 05m 22 48y 07m 8 41y 11m 1 46y 10m 1 63y 09m
18Q1 79 28y 02m 82 27y 07m 12 45y 01m 12 33y 05m 1 47y 05m 2 48y 05m
18Q2 108 29y 02m 97 27y 01m 20 43y 09m 14 36y 08m 3 56y 11m 3 42y 05m
18Q3 124 29y 11m 135 27y 05m 35 41y 09m 18 35y 00m 6 46y 08m 5 47y 08m
18Q4 155 28y 09m 134 25y 07m 15 41y 11m 14 43y 10m 2 47y 07m 1 61y 03m
19Q1 231 28y 09m 247 25y 07m 27 42y 03m 19 37y 11m 2 41y 02m    
19Q2 371 28y 04m 345 25y 10m 46 44y 04m 30 38y 01m 4 65y 05m 2 56y 09m
19Q3 480 26y 02m 380 24y 07m 54 47y 00m 23 47y 08m 2 65y 08m 2 40y 02m
19Q4 161 27y 11m 115 26y 02m 31 50y 00m 19 47y 10m 2 65y 04m 2 69y 10m
20Q1 40 32y 08m 36 29y 09m 10 50y 10m 6 46y 07m 1 60y 09m 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 10 33y 11m     1 10y 05m     1 11y 00m
16Q1 13 25y 09m 1 0y 10m 2 15y 06m        
16Q2 17 18y 10m 1 1y 02m 3 19y 11m     1 16y 02m
16Q3 20 20y 08m 1 4y 03m 3 16y 06m 2 3y 02m 1 6y 09m
16Q4 44 26y 01m 6 3y 10m 12 28y 02m     1 57y 10m
17Q1 73 25y 02m 9 1y 07m 14 17y 04m 1 0y 09m 4 13y 07m
17Q2 84 27y 07m 17 4y 03m 23 18y 03m 5 1y 09m 6 11y 05m
17Q3 100 31y 02m 9 2y 07m 18 25y 02m 1 1y 03m 3 37y 10m
17Q4 149 26y 02m 18 3y 00m 32 19y 00m 1 0y 09m 1 18y 09m
18Q1 168 26y 01m 13 3y 04m 25 20y 05m 2 4y 04m 3 20y 07m
18Q2 201 23y 04m 26 3y 00m 34 19y 11m 4 0y 11m 6 16y 07m
18Q3 239 26y 02m 45 2y 02m 46 20y 03m 10 2y 03m 12 17y 04m
18Q4 269 31y 04m 26 4y 01m 27 21y 07m 3 0y 06m 3 11y 02m
19Q1 438 37y 04m 30 2y 08m 46 23y 01m 2 1y 04m 2 43y 11m
19Q2 608 39y 00m 40 4y 11m 64 24y 01m 3 2y 08m 5 18y 08m
19Q3 369 38y 04m 36 4y 01m 62 21y 00m 1 0y 03m 4 28y 00m
19Q4 31 19y 08m 15 7y 08m 27 14y 07m 3 5y 01m 4 16y 03m
20Q1 2 5y 08m 2 2y 06m 2 3y 04m 1 1y 03m 2 1y 11m

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     1 25y 02m     1 36y 04m        
18Q4     1 27y 07m     1 43y 03m        
19Q1 6 39y 00m 2 39y 04m                
19Q2 27 40y 05m 26 37y 07m 2 59y 06m 1 36y 10m        
19Q3 32 42y 09m 17 39y 10m 5 56y 06m 2 40y 05m        
19Q4 27 45y 02m 16 43y 08m 10 48y 01m 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 1 0y 02m     1 0y 03m 1 0y 05m    
18Q4 2 20y 03m     1 0y 00m        
19Q1 11 5y 00m 6 2y 05m            
19Q2 76 10y 06m 29 3y 07m 10 19y 00m 1 0y 02m    
19Q3 51 16y 05m 31 2y 05m 8 14y 01m 1 2y 00m    
19Q4 15 11y 00m 21 5y 04m 7 4y 08m 1 23y 01m    
20Q1     3 9y 09m     1 25y 00m    

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 6.00            
15Q4 17 4.58            
16Q1 25 3.68 2 5.50        
16Q2 29 4.41 5 3.00        
16Q3 51 4.66 3 5.00 1 4.00 1 1.00
16Q4 82 4.24 16 5.12 1 3.00    
17Q1 117 4.49 13 4.30 1 4.00    
17Q2 123 4.68 19 3.10 4 6.00 2 1.50
17Q3 125 4.98 15 3.66 3 3.66    
17Q4 145 5.12 23 3.39 1 2.00    
18Q1 147 4.89 19 4.78 1 1.00    
18Q2 192 4.70 24 4.37 1 3.00    
18Q3 230 5.62 32 4.46 3 3.66    
18Q4 257 5.49 15 4.86        
19Q1 419 4.55 22 3.04 1 1.00    
19Q2 607 3.66 35 3.02 1 9.00    
19Q3 654 2.47 32 1.56        
19Q4 114 2.20 6 1.50        

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
15Q4 11 6y 04m        
16Q1 17 2y 10m 2 0y 11m    
16Q2 21 1y 07m 3 2y 04m    
16Q3 43 1y 09m 3 0y 11m 1 2y 05m
16Q4 72 2y 04m 16 1y 10m 1 0y 09m
17Q1 111 1y 03m 11 1y 01m 1 0y 03m
17Q2 111 1y 03m 19 0y 11m 4 1y 01m
17Q3 119 1y 03m 13 2y 04m 3 0y 09m
17Q4 141 1y 01m 22 1y 05m 1 0y 08m
18Q1 139 0y 10m 18 0y 00m    
18Q2 187 0y 11m 24 -0y 01m 1 0y 09m
18Q3 226 0y 07m 32 0y 09m 3 0y 06m
18Q4 250 0y 09m 15 0y 06m    
19Q1 404 0y 10m 20 1y 01m 1 0y 10m
19Q2 578 0y 09m 35 0y 06m 1 -22y 10m
19Q3 569 1y 09m 30 0y 01m    
19Q4 190 2y 01m 11 0y 09m    
20Q1 56 0y 00m 6 -2y 04m 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
15Q4 26 2y 02m        
16Q1 51 2y 00m 9 2y 04m    
16Q2 64 2y 03m 9 3y 05m    
16Q3 157 2y 04m 12 1y 10m 2 1y 06m
16Q4 229 2y 03m 63 1y 11m 2 3y 07m
17Q1 387 2y 04m 42 2y 04m 3 2y 02m
17Q2 427 2y 03m 40 2y 04m 20 1y 02m
17Q3 470 2y 02m 39 2y 08m 8 2y 04m
17Q4 565 2y 05m 50 2y 05m 1 4y 02m
18Q1 546 2y 04m 67 2y 06m    
18Q2 694 2y 04m 81 2y 01m 2 2y 00m
18Q3 1039 2y 01m 107 1y 10m 8 2y 10m
18Q4 1130 2y 02m 58 1y 11m    
19Q1 1387 2y 06m 41 2y 06m    
19Q2 1528 2y 10m 69 2y 06m 6 2y 08m
19Q3 828 3y 00m 18 3y 06m    
19Q4 235 2y 10m 8 2y 07m    
20Q1 44 2y 02m 5 2y 02m    

Age at birth of last child per quarter century of date of marriage

Period Father Mother
NumberAge NumberAge
16Q1 2 39y 04m 2 41y 09m
16Q2 2 31y 05m 1 27y 03m
16Q3 10 39y 11m 8 37y 07m
16Q4 11 38y 05m 10 37y 06m
17Q1 19 39y 08m 23 37y 03m
17Q2 39 41y 05m 38 38y 03m
17Q3 38 41y 10m 42 40y 03m
17Q4 108 42y 11m 96 38y 08m
18Q1 114 40y 10m 106 38y 04m
18Q2 151 41y 05m 157 37y 02m
18Q3 167 42y 01m 176 38y 05m
18Q4 204 40y 10m 206 37y 00m
19Q1 344 38y 07m 344 35y 09m
19Q2 483 37y 06m 460 34y 11m
19Q3 262 35y 02m 157 32y 05m
19Q4 16 34y 01m 11 29y 02m
20Q1 1 53y 04m    

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