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Alex van der PLAS

b.
p.
d.
p.

Son van der PLAS

b.
p.
d.
p.

Arie van der PLAS

b. 24 Nov 1924
d. 15 Nov 1988

Cornelis Arend van der PLAS

b. 26 Oct 1901
d. 1985

Arie van der PLAS

b. 1 Dec 1857
d. 10 Apr 1922

Dina KEUR

b. 31 Jan 1867
d. 16 Jun 1910

Willempje TEROL

b. 29 Sep 1903
d.

Cornelis TEROL

b. 23 Jul 1881
d.

Elizabeth BOL

b. 15 Feb 1880
d.

Annachien de VRIES

b. 27 Oct 1927
d. 17 Apr 1982

Lammert de VRIES

b. 1898
d.

Albert de VRIES

b.
d.

Hindrikje BUNT

b.
d.

Harmina de VEEN

b. 1903
d.

Jan de VEEN

b.
d.

Annechien Middel MIDDEL

b.
d.

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

(1/7) 14%

3

(7/14) 50%

4

(11/28) 39%

5

(16/56) 28%

6

(23/112) 20%

7

(31/224) 13%

8

(33/448) 7%

9

(44/896) 4%

Tot:

(166/1785) 9%

People

2

(1/2) 50%

3

(2/4) 50%

4

(4/8) 50%

5

(8/16) 50%

6

(8/32) 25%

7

(16/64) 25%

8

(12/128) 9%

9

(16/256) 6%

Tot:

(67/510) 13%

Birth Dates

2

(0/2) 0%

3

(2/4) 50%

4

(4/8) 50%

5

(4/16) 25%

6

(8/32) 25%

7

(6/64) 9%

8

(9/128) 7%

9

(14/256) 5%

Tot:

(47/510) 9%

Marriage Dates

2

(0/1) 0%

3

(1/2) 50%

4

(2/4) 50%

5

(2/8) 25%

6

(4/16) 25%

7

(3/32) 9%

8

(4/64) 6%

9

(5/128) 3%

Tot:

(21/255) 8%

Death Dates

2

(0/2) 0%

3

(2/4) 50%

4

(1/8) 12%

5

(2/16) 12%

6

(3/32) 9%

7

(6/64) 9%

8

(8/128) 6%

9

(9/256) 3%

Tot:

(31/510) 6%