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									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	37	52y 00m	38	53y 01m	17	53y 03m	7	68y 05m	106	29y 06m	87	31y 06m
17Q3	45	57y 11m	50	59y 04m	14	48y 05m	14	42y 06m	120	29y 06m	108	33y 09m
17Q4	71	58y 10m	87	55y 01m	33	48y 07m	18	54y 01m	176	34y 07m	169	35y 11m
18Q1	133	60y 04m	135	59y 03m	50	55y 04m	70	58y 11m	302	37y 02m	308	40y 11m
18Q2	172	59y 02m	174	58y 09m	103	53y 03m	95	57y 07m	479	34y 07m	415	39y 05m
18Q3	177	59y 10m	207	58y 06m	115	56y 02m	124	56y 08m	528	34y 01m	519	38y 04m
18Q4	200	63y 01m	188	64y 07m	117	58y 09m	130	62y 02m	537	37y 08m	502	41y 07m
19Q1	202	64y 02m	230	65y 02m	121	63y 04m	136	65y 03m	517	41y 06m	526	46y 07m
19Q2	350	65y 05m	296	67y 05m	129	64y 05m	135	67y 00m	577	55y 05m	501	58y 09m
19Q3	491	69y 06m	394	72y 05m	165	68y 11m	125	71y 05m	678	67y 05m	536	70y 01m
19Q4	628	73y 07m	568	78y 00m	102	66y 01m	93	77y 01m	745	71y 05m	671	76y 10m
20Q1	482	77y 08m	590	81y 09m	107	68y 04m	108	80y 05m	591	75y 09m	701	81y 03m

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	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	81	1.14
18Q2	100	1.25	84	1.17
18Q3	79	1.27	113	1.18
18Q4	95	1.28	95	1.17
19Q1	106	1.19	99	1.19
19Q2	178	1.19	132	1.09
19Q3	238	1.20	188	1.14
19Q4	315	1.17	272	1.13
20Q1	310	1.15	312	1.15

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	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	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	80	29y 02m	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	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	229	28y 06m	246	25y 05m	26	41y 09m	21	36y 11m	2	41y 02m
19Q2	367	28y 05m	341	25y 11m	49	44y 02m	29	38y 02m	5	61y 03m	2	56y 09m
19Q3	493	26y 03m	409	24y 07m	57	46y 00m	31	44y 01m	2	65y 08m	2	40y 02m
19Q4	183	28y 00m	129	26y 03m	37	47y 05m	26	44y 00m	2	65y 04m	4	57y 07m
20Q1	55	32y 11m	52	30y 05m	16	49y 01m	11	50y 01m	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
Period	Number	Length	Number	Wait 1-2	Number	Length	Number	Wait 2-3	Number	Length
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	28y 01m	14	3y 06m	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	139	25y 05m	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	183	22y 03m	28	2y 09m	33	17y 10m	4	0y 11m	5	18y 06m
18Q3	236	26y 02m	42	2y 01m	46	20y 03m	10	1y 06m	12	17y 06m
18Q4	266	31y 00m	26	4y 00m	28	20y 08m	3	0y 06m	3	6y 04m
19Q1	438	37y 05m	30	2y 06m	46	24y 09m	2	1y 04m	2	43y 11m
19Q2	620	39y 04m	41	4y 10m	68	24y 06m	3	2y 08m	7	20y 04m
19Q3	502	41y 07m	38	4y 03m	68	23y 03m	1	0y 03m	4	28y 00m
19Q4	54	25y 04m	15	7y 03m	37	20y 02m	3	5y 01m	4	16y 03m
20Q1	5	7y 11m	3	2y 06m	7	8y 02m	2	3y 04m	4	8y 01m

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

38y 05m

36y 04m

18Q4

27y 07m

43y 03m

19Q1

39y 05m

39y 07m

19Q2

39y 08m

37y 05m

59y 06m

36y 10m

19Q3

41y 03m

35y 11m

56y 06m

37y 04m

19Q4

42y 02m

42y 06m

47y 09m

61y 10m

64y 11m

20Q1

50y 02m

45y 06m

39y 01m

67y 11m

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
Period	Number	Length	Number	Wait 1-2	Number	Length	Number	Wait 2-3	Number	Length
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 06m	29	3y 08m	9	20y 05m	1	0y 02m
19Q3	79	15y 00m	41	2y 09m	15	12y 01m	1	2y 00m
19Q4	24	10y 03m	31	5y 08m	9	8y 07m	3	9y 05m	2	22y 06m
20Q1	1	13y 01m	6	10y 06m			2	20y 11m

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	7.00
15Q4	9	6.22
16Q1	13	5.00	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	5.25	20	3.30	5	5.00	2	1.50
17Q3	114	5.15	14	3.85	3	3.66
17Q4	130	5.45	20	3.50	2	1.50
18Q1	126	5.10	17	4.58
18Q2	169	4.98	24	4.20	1	3.00
18Q3	216	5.84	34	4.35	3	3.66
18Q4	260	5.58	14	5.14
19Q1	419	4.57	24	3.16	1	1.00
19Q2	617	3.66	36	3.19	1	10.00
19Q3	739	2.54	37	1.67
19Q4	181	2.35	17	1.47	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
Period	Number	Born after	Number	Born after	Number	Born 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	128	0y 10m	20	1y 05m	2	1y 04m
18Q1	122	0y 11m	17	-0y 02m
18Q2	167	0y 08m	24	0y 00m	1	0y 09m
18Q3	216	0y 06m	34	0y 04m	3	0y 06m
18Q4	255	0y 08m	14	0y 05m
19Q1	414	0y 10m	22	1y 01m	1	0y 10m
19Q2	593	0y 07m	35	0y 10m	1	-22y 10m
19Q3	659	1y 08m	35	0y 00m
19Q4	214	2y 03m	20	0y 05m	1	-4y 06m
20Q1	79	-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
Period	Number	Time between	Number	Time between	Number	Time 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	3	2y 08m
17Q1	321	2y 02m	39	2y 06m	3	2y 02m
17Q2	416	2y 03m	46	2y 02m	19	1y 01m
17Q3	451	2y 02m	39	2y 09m	8	2y 04m
17Q4	559	2y 04m	48	2y 04m	1	4y 02m
18Q1	501	2y 03m	57	2y 07m
18Q2	661	2y 03m	76	2y 01m	2	2y 00m
18Q3	1037	2y 01m	109	1y 10m	8	2y 10m
18Q4	1180	2y 02m	58	1y 11m
19Q1	1448	2y 06m	48	2y 05m
19Q2	1568	2y 11m	70	2y 06m	8	2y 00m
19Q3	968	3y 00m	25	3y 03m
19Q4	273	2y 10m	12	2y 11m	3	2y 08m
20Q1	64	2y 05m	7	2y 02m

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

Period	Father		Mother
Period	Number	Age	Number	Age
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	104	38y 09m
18Q1	103	40y 03m	106	38y 03m
18Q2	151	41y 05m	151	37y 06m
18Q3	176	42y 00m	177	38y 01m
18Q4	210	40y 07m	212	37y 00m
19Q1	355	38y 06m	351	35y 06m
19Q2	522	37y 04m	516	34y 08m
19Q3	379	34y 05m	285	31y 09m
19Q4	35	34y 04m	21	30y 00m
20Q1	2	43y 05m	2	39y 07m

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