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Christel ALBERS

b.
p.
d.
p.

Son ALBERS

b.
p.
d.
p.

Teunis Lambertus ALBERS

b.
d.

Hendrika Johanna Wilhelmina Frederika KRUL

b.
d.

Maria Constance de VRIES

b. 4 Dec 1951
p. Egmond aan Zee, , Noord-Holland, Netherlands
d. 18 Jan 2017
p.

Pieter de VRIES

b. 20 Aug 1918
d. 15 Apr 2002

Pieter de VRIES

b. 17 May 1895
d.

Pieter de VRIES

b.
d.

Trijntje HALVERMAN

b.
d.

Diewertje KOSSEN

b. 1895
d. 1 Apr 1932

Pieter KOSSEN

b. 28 Nov 1868
d. 24 Jan 1937

Laurina DROOGER

b. 1871
d.

Alberta Cornelia HALFF

b. 5 Jun 1918
d. 25 Apr 2002

Teunis Jansz HALFF

b. 1 Dec 1885
d. 16 Jun 1955

Jan Pietersz HALFF

b. 27 Nov 1860
d. 12 Dec 1917

Jansje Englse ZWART

b. 29 Mar 1862
d. 5 Aug 1928

Albertje ZWAAN

b. 6 Mar 1886
d. 28 Mar 1922

Arie ZWAAN

b. 13 Dec 1848
d. 1 Mar 1934

Elisabeth BLOK

b. 25 Nov 1848
d. 25 Sep 1914

PIKWA - Performance Indicator Kwartierstaat

These Charts show the relative state of completion of an individual's Pedigree Chart. It compares the number of vital statistics currently found to the total required to fill ten generations out from the chosen person.

The PIKWA concept was developed by Otto P. van Driel in The Netherlands.
Adapted to our Pedigree Charts by Rob Vanderplas

Combined

2

(5/7) 71%

3

(9/14) 64%

4

(13/28) 46%

5

(22/56) 39%

6

(33/112) 29%

7

(51/224) 22%

8

(70/448) 15%

9

(69/896) 7%

Tot:

(272/1785) 15%

People

2

(2/2) 100%

3

(4/4) 100%

4

(4/8) 50%

5

(8/16) 50%

6

(12/32) 37%

7

(20/64) 31%

8

(28/128) 21%

9

(30/256) 11%

Tot:

(108/510) 21%

Birth Dates

2

(1/2) 50%

3

(2/4) 50%

4

(4/8) 50%

5

(6/16) 37%

6

(10/32) 31%

7

(14/64) 21%

8

(19/128) 14%

9

(16/256) 6%

Tot:

(72/510) 14%

Marriage Dates

2

(1/1) 100%

3

(1/2) 50%

4

(2/4) 50%

5

(3/8) 37%

6

(5/16) 31%

7

(7/32) 21%

8

(7/64) 10%

9

(7/128) 5%

Tot:

(33/255) 12%

Death Dates

2

(1/2) 50%

3

(2/4) 50%

4

(3/8) 37%

5

(5/16) 31%

6

(6/32) 18%

7

(10/64) 15%

8

(16/128) 12%

9

(16/256) 6%

Tot:

(59/510) 11%