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	38	51y 11m	38	53y 01m	17	53y 03m	7	68y 05m	107	29y 08m	87	31y 06m
17Q3	44	57y 08m	50	59y 04m	14	48y 05m	14	42y 06m	120	29y 01m	108	33y 09m
17Q4	71	58y 10m	86	54y 09m	33	48y 07m	18	54y 01m	178	34y 03m	168	35y 07m
18Q1	133	60y 04m	136	59y 03m	50	55y 04m	71	58y 07m	302	37y 02m	311	40y 10m
18Q2	172	59y 02m	175	58y 10m	105	53y 02m	95	57y 07m	481	34y 08m	416	39y 06m
18Q3	179	59y 09m	207	58y 06m	116	56y 02m	125	56y 08m	532	34y 01m	520	38y 04m
18Q4	200	63y 01m	191	64y 06m	118	58y 06m	130	62y 02m	541	37y 06m	508	41y 06m
19Q1	208	64y 02m	238	65y 02m	121	63y 04m	138	65y 04m	525	41y 08m	539	46y 09m
19Q2	359	65y 06m	301	67y 08m	130	64y 05m	135	67y 00m	591	55y 04m	508	58y 10m
19Q3	512	69y 06m	403	72y 03m	177	68y 08m	129	71y 04m	712	67y 04m	549	69y 11m
19Q4	657	73y 08m	589	78y 01m	110	66y 07m	107	77y 01m	782	71y 06m	706	76y 11m
20Q1	596	78y 02m	716	82y 01m	117	69y 05m	128	80y 09m	715	76y 07m	847	81y 07m
20Q2	21	80y 11m	17	82y 02m	2	82y 07m	1	82y 02m	23	81y 01m	18	82y 02m

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	82	1.14
18Q2	100	1.25	85	1.17
18Q3	80	1.27	113	1.18
18Q4	96	1.28	95	1.18
19Q1	108	1.19	100	1.19
19Q2	184	1.19	134	1.08
19Q3	244	1.20	193	1.15
19Q4	322	1.17	277	1.13
20Q1	378	1.17	373	1.13
20Q2	18	1.55	14	1.00

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	14	28y 08m	13	24y 05m	2	40y 07m
16Q4	30	26y 06m	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	81	29y 01m	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	94	29y 01m	92	27y 06m	20	43y 06m	14	37y 06m	3	56y 11m	2	40y 03m
18Q3	119	29y 10m	131	27y 07m	32	41y 01m	20	33y 09m	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	238	28y 04m	255	25y 06m	27	41y 04m	22	37y 00m	2	41y 02m
19Q2	379	28y 05m	354	25y 10m	51	43y 10m	30	38y 01m	6	58y 09m	2	56y 09m
19Q3	512	26y 02m	418	24y 06m	59	45y 06m	32	44y 08m	2	65y 08m	2	40y 02m
19Q4	201	27y 10m	141	26y 06m	45	45y 10m	27	44y 03m	3	55y 04m	4	57y 07m
20Q1	58	33y 00m	54	30y 10m	22	51y 04m	13	52y 11m	6	61y 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	27y 04m	15	3y 07m	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	140	25y 03m	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	184	22y 04m	28	2y 09m	33	17y 10m	4	0y 11m	5	18y 06m
18Q3	239	25y 11m	42	2y 01m	47	20y 10m	10	1y 06m	12	17y 06m
18Q4	272	31y 04m	26	4y 00m	28	20y 08m	3	0y 06m	3	6y 04m
19Q1	455	37y 06m	32	2y 07m	47	24y 11m	2	1y 04m	2	43y 11m
19Q2	638	39y 08m	41	4y 10m	71	24y 04m	3	2y 08m	7	20y 04m
19Q3	574	43y 06m	39	4y 02m	71	24y 00m	1	0y 03m	4	28y 00m
19Q4	76	27y 10m	16	7y 03m	42	22y 01m	3	5y 01m	4	16y 03m
20Q1	7	9y 05m	4	2y 02m	14	9y 05m	2	3y 04m	5	7y 08m

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 01m

59y 06m

36y 10m

19Q3

40y 06m

36y 00m

51y 08m

37y 04m

19Q4

40y 11m

42y 07m

45y 03m

61y 10m

42y 03m

64y 11m

20Q1

51y 01m

46y 06m

49y 06m

67y 11m

63y 05m

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 01m	29	3y 08m	9	20y 05m	1	0y 02m
19Q3	95	16y 00m	43	2y 09m	16	11y 04m	1	2y 00m
19Q4	38	11y 06m	41	5y 00m	15	8y 00m	4	7y 02m	3	17y 04m
20Q1	4	5y 09m	13	10y 00m			4	15y 05m	1	22y 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	4.92	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	5.24	20	3.30	5	5.00	2	1.50
17Q3	114	5.15	14	3.85	3	3.66
17Q4	131	5.41	20	3.50	2	1.50
18Q1	126	5.10	17	4.58
18Q2	170	4.99	24	4.20	1	3.00
18Q3	217	5.84	35	4.25	3	3.66
18Q4	260	5.62	14	5.14
19Q1	434	4.53	25	3.12	1	1.00
19Q2	642	3.61	38	3.07	1	10.00
19Q3	778	2.51	39	1.64
19Q4	222	2.31	19	1.52	2	3.50

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	10y 08m
15Q4	7	3y 02m
16Q1	10	4y 00m	2	1y 10m
16Q2	19	3y 03m	2	6y 05m
16Q3	36	4y 01m	2	2y 00m	1	4y 10m
16Q4	53	3y 03m	11	3y 04m	2	10y 03m
17Q1	78	2y 04m	12	1y 07m	1	0y 07m
17Q2	98	2y 06m	19	1y 10m	4	2y 02m
17Q3	109	2y 08m	13	2y 05m	3	1y 06m
17Q4	129	1y 09m	20	2y 10m	2	2y 09m
18Q1	122	1y 10m	17	-0y 05m
18Q2	168	1y 05m	24	0y 00m	1	1y 07m
18Q3	217	1y 01m	35	0y 09m	3	1y 00m
18Q4	255	1y 05m	14	0y 11m
19Q1	427	1y 07m	23	1y 11m	1	1y 09m
19Q2	616	1y 01m	37	2y 02m	1	-45y 08m
19Q3	706	3y 06m	38	0y 00m
19Q4	241	4y 02m	22	0y 11m	2	-4y 02m
20Q1	85	-0y 04m	10	-1y 06m	2	-10y 11m

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	3y 03m
15Q4	31	5y 00m
16Q1	44	3y 11m	9	4y 08m
16Q2	75	4y 00m	8	7y 02m
16Q3	139	4y 10m	11	3y 03m	2	3y 00m
16Q4	205	4y 04m	49	4y 02m	3	5y 05m
17Q1	321	4y 05m	39	5y 00m	3	4y 04m
17Q2	415	4y 06m	46	4y 05m	19	2y 03m
17Q3	451	4y 04m	39	5y 06m	8	4y 09m
17Q4	560	4y 08m	48	4y 09m	1	8y 04m
18Q1	503	4y 07m	57	5y 03m
18Q2	669	4y 07m	76	4y 02m	2	4y 00m
18Q3	1044	4y 02m	109	3y 08m	8	5y 08m
18Q4	1188	4y 04m	58	3y 10m
19Q1	1479	5y 00m	49	4y 10m
19Q2	1591	5y 10m	70	5y 01m	8	4y 00m
19Q3	1017	6y 01m	25	6y 06m
19Q4	295	5y 10m	14	5y 09m	5	4y 11m
20Q1	70	4y 10m	7	4y 04m

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	43	42y 08m	38	38y 09m
17Q3	38	41y 06m	48	39y 10m
17Q4	108	43y 00m	105	38y 08m
18Q1	103	40y 03m	106	38y 03m
18Q2	152	41y 05m	153	37y 06m
18Q3	181	41y 11m	182	38y 00m
18Q4	216	40y 08m	219	37y 00m
19Q1	365	38y 04m	356	35y 06m
19Q2	539	37y 02m	534	34y 06m
19Q3	460	34y 01m	358	31y 06m
19Q4	54	34y 05m	34	29y 06m
20Q1	4	41y 01m	4	34y 06m

This page has been created by GenStat.