Genealogie Bos

This is my English-language Genealogy & Ancestry Blog.
(Mijn Nederlandstalige blog is genealogiebos.blogspot.nl).

4 Feb 2020

Ancestor Score 2020: 79.7% in the 10th generation

Inspired by the Ancestor Score - also called "Completeness Statistics" - of other blogs, and GeneaNet's definition, I generated my first one in February 2016. Since then I haven't just been able to increase my score, I also had to remove a whole line of wrong ancestors***. I could partially replace them by already existing ancestors - due to inbreeding among my ancestors, which didn't increase the score either. Therefore, I decided to generate a new in-between ancestor score in August 2018 to be able to continue this series of posts. Thus, in February  2019 I was able to continue with my Ancestor Score Series.

Geneanet defines the Ancestor Score as 

comparing the number of possible ancestors with 
the number of identified ancestors on a 10-generation report”. 

My Ancestor Score at generation 10 in the period 1600-1740 is 79.7%. It will never reach the 100%, because some cousins intermarried in generation 7. The total number of my “known” ancestors - starting with my parents (generation 2) - is currently 4618.

Composition and Bandwidth of various Generations
Composition
  Bandwidth**   
Generations 
  Men
Women
  Total
2020
2019
2018*
2016
From 
Until 
G 3
2
2
4
100.0
100.0
100.0
100.0
1892
1906
G 4
4
4
8
100.0
100.0
100.0
100.0
1850
1880
G 5
8
8
16
100.0
100.0
100.0
100.0
1804
1857
G 6
16
16
32
100.0
100.0
100.0
100.0
1756
1832
G 7
30
30
60
93.8
93.8
93.8
93.8
1724
1802
G 8
59
59
118
92.2
92.2
92.2
90.6
1680
1777
G 9
115
113
228
89.1
89.1
88.3
86.7
1645
1750
G 10
207
201
408
79.7
79.5
78.7
76.4
1600
1740
G 11
330
303
633
61.8
61.2
60.8
57.0
1560
1695
G 12
420
360
780
38.1
37.6
37.3
33.8
1510
1695
G 13
438
322
760
18.6
18.1
17.9
15.7
1505
1670
G 14
356
240
596
7.3
7.0
7.1
6.1
1440
1625
G 15
231
132
363
2.2
2.0
2.0
1.6
1440
1580
G 16
125
71
196
0.6
0.6
0.6
0.5
1395
1540
G 17
76
32
108
0.2
0.2
0.2
0.1
1365
1500
G 18
46
24
70
0.1
0.1
0.1
0.0
1335
1470
G 19
37
14
51
0
0
0
0
1300
1440
G 20
22
11
33
0
0
0
0
1300
1400

     *) All years feature an ancestor score of February, except for the August score of 2018 and a January score for this year.
   **) The Bandwidth of a generation is determined by the earliest and latest known birth or baptism date within that generation.
  ***) I have many ancestors in places like Sint Anthoniepolder, 's-Gravendeel, Wieldrecht and Hendrik-Ido-Ambacht, where pre-1800 baptism records are missing. 

The most common surnames among my ancestors are Van Driel, Oerlemans, Spruijt, Brand, Bos, Van der Giessen, De Jong, Van der Linden and Smits. The surnames De Jong, Bos and Smits are in the Top 25 of most common surnames in The Netherlands. The most common male given names among my parents are typically Dutch names like Jan, Cornelis, Pieter, Willem and Adriaan. The most common female given names are Adriana, Maria and Elisabeth.

The most common places of origin of my ancestors are Dordrecht, Sprang-Capelle, Sint Anthoniepolder, Ridderkerk, Strijen, Streefkerk, 's-Gravendeel and Dubbeldam. The most common known occupations are laborer and farmer.

Arij Peijensz Hoogerwaert and Trijntje Willem Cornelisdr. (±1635-1709) had 16 children together. Jan Ariensz Hoogvliet and his wife Barbara Leenderts Kooijman (±1755-1802) had 15 children baptised in Cillaarshoek, Holland. Jannigje Thomasse Brullee (±1684-1747), wife of Joost de Bondt, gave birth to 14 children. This couple was married for 43 years. Neeltjen Claes Bloet (±1640-1727) and Gerrit Maertensen Korver were married for 66 years. Among my ancestors are 2 men who married 5 times: Pieter Huigen Blaak and Crijn Jans Tuck who both lived around 1700.

3 comments:

  1. I don't think I'll ever get that far with named ancestors.

    ReplyDelete
    Replies
    1. The majority of my ancestors are from The Netherlands - where I live - which makes it a lot easier to find a lot of them.

      Delete
  2. You can really do a lot with statistics in your family tree, as this post shows: https://chiddicksfamilytree.com/2021/04/05/my-family-tree-in-numbers/

    ReplyDelete

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