Statistics on the Valkenburg Families

The following tables show per century:

The type of statistics.
The number of persons of whom data is available.
The calculated average.

NB Please be aware of:

The statistics on the early centuries are influenced by the limited amount of data available.
The data on the late 20th and early 21st century is influenced by the early deaths.
The data on the children of daughters is less complete than those on the children of the sons.

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
Period	Number	Age	Number	Age	Number	Age	Number	Age	Number	Age	Number	Age
15Q4	1	26y 04m							1	26y 04m
16Q1									3	6y 04m	3	7y 11m
16Q2	4	46y 11m	2	49y 02m	1	32y 04m	5	34y 02m	9	26y 00m	11	27y 01m
16Q3	4	60y 10m	6	53y 06m	2	42y 06m	7	44y 08m	11	31y 05m	18	36y 11m
16Q4	9	58y 02m	6	51y 10m	5	45y 10m	2	42y 00m	22	35y 11m	14	32y 05m
17Q1	14	55y 03m	15	52y 06m	7	43y 03m	4	51y 06m	32	34y 03m	26	39y 03m
17Q2	21	50y 10m	28	54y 11m	13	54y 06m	4	76y 04m	53	35y 07m	53	36y 09m
17Q3	28	57y 10m	32	60y 10m	7	49y 07m	12	41y 08m	73	29y 10m	66	37y 09m
17Q4	37	57y 06m	57	55y 09m	13	51y 06m	11	55y 09m	88	33y 11m	101	39y 06m
18Q1	105	60y 08m	94	58y 06m	33	55y 11m	46	59y 06m	226	37y 08m	212	40y 04m
18Q2	142	59y 02m	141	58y 00m	70	52y 01m	58	56y 07m	363	35y 02m	305	38y 10m
18Q3	140	60y 04m	170	57y 11m	75	54y 02m	88	55y 03m	392	33y 07m	402	37y 10m
18Q4	162	62y 03m	148	64y 02m	88	57y 06m	94	59y 08m	418	37y 07m	380	41y 00m
19Q1	149	63y 02m	173	64y 08m	86	63y 11m	87	65y 10m	361	43y 01m	362	48y 01m
19Q2	301	65y 10m	252	67y 01m	79	64y 01m	77	68y 07m	449	56y 08m	383	58y 09m
19Q3	417	68y 10m	336	71y 11m	66	69y 05m	59	73y 02m	500	67y 00m	409	69y 10m
19Q4	482	73y 07m	418	77y 01m	45	62y 10m	40	78y 06m	537	71y 08m	468	75y 09m
20Q1	167	76y 07m	214	81y 00m	26	61y 04m	19	80y 06m	194	74y 03m	234	80y 08m

Number of relations per quarter century of date of death

Period	Males		Females
Period	Number	Marriages	Number	Marriages
15Q4	1	1.00
16Q1	4	1.75
16Q2	6	1.16	5	1.00
16Q3	8	1.50	9	1.00
16Q4	9	1.11	5	1.00
17Q1	11	1.45	9	1.22
17Q2	22	1.81	18	1.33
17Q3	25	1.36	20	1.15
17Q4	30	1.43	33	1.09
18Q1	73	1.21	60	1.16
18Q2	93	1.23	75	1.16
18Q3	70	1.28	94	1.21
18Q4	80	1.30	81	1.18
19Q1	85	1.21	70	1.18
19Q2	160	1.18	112	1.08
19Q3	224	1.20	174	1.13
19Q4	286	1.16	249	1.13
20Q1	125	1.15	132	1.11

Marriage age per quarter century of date of marriage

Period	1st marriage		1st marriage		2nd marriage		2nd marriage		3rd marriage		3rd marriage
Period	Number	Male	Number	Female	Number	Male	Number	Female	Number	Male	Number	Female
15Q4			2	26y 10m
16Q1	2	22y 07m	3	19y 01m	1	27y 01m
16Q2	5	28y 03m	5	27y 03m	1	31y 09m			1	42y 08m
16Q3	11	29y 01m	10	24y 10m	1	45y 01m
16Q4	22	25y 06m	16	25y 04m	5	35y 07m	4	45y 01m	1	48y 08m
17Q1	33	26y 07m	21	27y 09m	9	39y 07m	2	39y 11m
17Q2	36	27y 01m	34	25y 06m	12	41y 00m	9	38y 00m	4	42y 10m	1	40y 07m
17Q3	47	27y 00m	48	27y 06m	11	39y 09m	5	32y 11m	1	40y 07m	1	34y 11m
17Q4	66	29y 01m	54	27y 06m	15	49y 02m	7	40y 09m	1	46y 10m
18Q1	64	28y 01m	60	27y 11m	10	43y 05m	9	32y 00m	1	47y 05m	1	56y 10m
18Q2	86	29y 02m	79	27y 02m	17	44y 04m	12	37y 01m	3	56y 11m	2	40y 03m
18Q3	99	29y 09m	120	27y 04m	29	41y 06m	15	35y 01m	5	46y 11m	5	47y 08m
18Q4	134	28y 09m	109	25y 09m	13	41y 03m	15	44y 04m	2	47y 07m	1	61y 03m
19Q1	209	28y 09m	222	25y 07m	25	41y 09m	18	38y 10m	2	41y 02m
19Q2	337	28y 01m	309	25y 07m	46	44y 07m	25	40y 08m	3	67y 04m	1	51y 01m
19Q3	443	26y 03m	321	24y 11m	49	46y 08m	19	49y 00m	2	65y 08m	1	42y 10m
19Q4	128	27y 08m	98	25y 10m	19	51y 07m	13	49y 07m	2	65y 04m	2	69y 10m
20Q1	30	31y 10m	29	28y 03m	6	50y 00m	4	41y 06m			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
Period	Number	Length	Number	Wait 1-2	Number	Length	Number	Wait 2-3	Number	Length
15Q4	6	37y 10m							1	11y 00m
16Q1	9	26y 03m	1	0y 10m	1	10y 04m
16Q2	11	19y 04m			2	22y 09m			1	16y 02m
16Q3	8	19y 11m					1	4y 09m	1	6y 09m
16Q4	23	30y 11m	3	6y 08m	9	29y 09m			1	57y 10m
17Q1	34	24y 01m	2	2y 01m	7	19y 05m			1	16y 04m
17Q2	50	28y 08m	15	3y 04m	20	19y 08m	3	2y 09m	5	6y 06m
17Q3	66	31y 00m	5	2y 05m	11	31y 05m			2	46y 06m
17Q4	114	26y 09m	12	3y 02m	23	20y 05m
18Q1	120	26y 03m	11	2y 08m	18	23y 01m			2	11y 02m
18Q2	159	22y 04m	23	3y 02m	28	19y 02m	4	0y 11m	5	18y 06m
18Q3	195	25y 08m	36	1y 11m	38	19y 03m	8	1y 09m	10	18y 11m
18Q4	227	32y 01m	23	4y 07m	24	21y 06m	2	0y 04m	3	11y 02m
19Q1	396	37y 05m	25	2y 10m	42	24y 00m	2	1y 04m	2	43y 11m
19Q2	553	38y 11m	38	5y 00m	63	23y 11m	3	2y 08m	4	18y 11m
19Q3	270	36y 04m	34	3y 11m	54	20y 06m	1	0y 03m	3	21y 10m
19Q4	18	16y 03m	11	8y 04m	12	10y 00m	3	5y 01m	4	16y 03m
20Q1			2	2y 06m			1	1y 03m	1	1y 04m

Divorce age per quarter century of date of divorce

Period

1st marriage

2nd marriage

3rd marriage

Number

Male

Number

Wife 1

Number

Male

Number

Wife 2

Number

Male

Number

Wife 3

18Q2

44y 02m

18Q3

36y 04m

18Q4

27y 07m

43y 03m

19Q1

39y 00m

39y 04m

19Q2

40y 05m

38y 06m

59y 06m

19Q3

42y 10m

38y 10m

56y 06m

45y 06m

19Q4

52y 10m

47y 02m

51y 03m

72y 04m

20Q1

49y 08m

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
Period	Number	Length	Number	Wait 1-2	Number	Length	Number	Wait 2-3	Number	Length
18Q2					1	0y 04m
18Q3					1	0y 03m	1	0y 05m
18Q4	2	19y 06m			1	0y 00m
19Q1	19	11y 02m	5	2y 10m
19Q2	53	12y 07m	26	3y 08m	7	19y 06m	1	0y 02m
19Q3	31	15y 03m	25	2y 07m	7	12y 11m
19Q4	3	16y 06m	8	5y 09m	3	6y 01m	1	23y 01m

Number of children per marriage per quarter century of date of marriage

Period	1st marriage		2nd marriage		3rd marriage		All marriages
Period	Number	Children	Number	Children	Number	Children	Number	All children
15Q3	1	6.00
15Q4	9	6.11
16Q1	11	5.54	1	5.00
16Q2	13	5.38	1	8.00
16Q3	23	5.39	1	10.00	1	4.00
16Q4	38	5.18	7	6.42	1	3.00
17Q1	58	4.98	8	4.37	1	4.00
17Q2	67	5.65	18	3.11	3	5.00	2	1.50
17Q3	81	5.58	12	4.00	3	3.66
17Q4	108	5.47	15	3.66	1	2.00
18Q1	105	5.18	14	4.78
18Q2	150	4.89	21	4.23	1	3.00
18Q3	183	5.76	27	4.66	2	5.00
18Q4	219	5.49	12	5.50
19Q1	333	4.47	21	2.42	1	1.00
19Q2	495	3.58	32	3.18
19Q3	509	2.47	28	1.57
19Q4	63	2.12	4	1.25	1	2.00

Time between marriage and birth of first child per quarter century of date of marriage

Period	1st marriage		2nd marriage		3rd marriage
Period	Number	Born after	Number	Born after	Number	Born after
15Q4	5	1y 06m
16Q1	8	1y 04m	1	0y 10m
16Q2	11	1y 09m	1	1y 02m
16Q3	19	1y 08m	1	1y 02m	1	2y 05m
16Q4	34	1y 06m	7	0y 07m	1	0y 09m
17Q1	54	1y 02m	8	0y 10m	1	0y 03m
17Q2	61	1y 00m	17	0y 11m	3	1y 01m
17Q3	77	1y 00m	9	1y 04m	3	0y 09m
17Q4	105	0y 11m	15	1y 05m	1	0y 08m
18Q1	100	0y 11m	14	-0y 04m
18Q2	147	0y 10m	19	-0y 01m	1	0y 09m
18Q3	181	0y 07m	27	0y 09m	2	0y 04m
18Q4	211	0y 09m	12	0y 05m
19Q1	315	0y 10m	17	1y 02m	1	0y 10m
19Q2	452	1y 01m	31	0y 05m
19Q3	458	1y 08m	28	0y 02m
19Q4	156	2y 01m	8	0y 05m
20Q1	47	0y 01m	5	-1y 10m	1	-3y 06m

Time between births of children per quarter century of date of marriage

Period	1st marriage		2nd marriage		3rd marriage
Period	Number	Time between	Number	Time between	Number	Time between
15Q4	26	2y 02m
16Q1	42	2y 00m	4	1y 10m
16Q2	44	1y 10m	7	2y 01m
16Q3	92	2y 04m	7	1y 08m	2	1y 06m
16Q4	140	2y 03m	36	2y 00m	2	3y 07m
17Q1	215	2y 03m	27	2y 04m	3	2y 02m
17Q2	299	2y 02m	37	2y 05m	12	1y 00m
17Q3	353	2y 01m	32	2y 08m	8	2y 04m
17Q4	461	2y 04m	35	2y 05m	1	4y 02m
18Q1	413	2y 04m	51	2y 07m
18Q2	556	2y 03m	64	2y 01m	2	2y 00m
18Q3	865	2y 01m	97	1y 10m	8	2y 10m
18Q4	938	2y 02m	53	1y 10m
19Q1	1031	2y 06m	28	2y 08m
19Q2	1184	2y 11m	62	2y 06m
19Q3	655	3y 00m	16	3y 05m
19Q4	187	2y 09m	7	2y 03m
20Q1	31	2y 02m	1	1y 08m

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

Period	Father		Mother
Period	Number	Age	Number	Age
16Q1	1	40y 10m	2	36y 02m
16Q2	2	31y 05m	1	27y 03m
16Q3	5	39y 10m	4	35y 06m
16Q4	9	37y 09m	7	37y 10m
17Q1	11	40y 11m	14	36y 02m
17Q2	29	41y 11m	28	37y 11m
17Q3	26	43y 02m	30	39y 07m
17Q4	78	43y 07m	69	39y 06m
18Q1	83	40y 08m	81	38y 09m
18Q2	120	41y 04m	118	37y 01m
18Q3	131	42y 02m	131	38y 03m
18Q4	163	40y 07m	158	37y 02m
19Q1	252	38y 11m	234	35y 06m
19Q2	374	37y 10m	298	34y 11m
19Q3	165	36y 03m	89	32y 03m
19Q4	9	32y 05m	5	30y 05m

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