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Parel van der PLAS

b.
p.
d.
p.

Gert van der PLAS

b.
p.
d.
p.

Job Johan van der PLAS

b.
d.

Gerrit van der PLAS

b. 14 Jun 1891
d. 3 Jan 1959

Job van der PLAS

b. 28 May 1862
d. 21 Feb 1951

Johanna VISSER

b. 1 Nov 1860
d. 9 May 1942

Trijntje Elisabeth TAND

b. 6 Nov 1899
d. 29 Sep 1983

Geertje SEIF

b.
d.

Nienke ROOSEBOOM

b.
p.
d.
p.

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

(2/7) 28%

3

(2/14) 14%

4

(6/28) 21%

5

(7/56) 12%

6

(12/112) 10%

7

(24/224) 10%

8

(31/448) 6%

9

(20/896) 2%

Tot:

(104/1785) 5%

People

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(2/16) 12%

6

(4/32) 12%

7

(8/64) 12%

8

(16/128) 12%

9

(12/256) 4%

Tot:

(48/510) 9%

Birth Dates

2

(0/2) 0%

3

(0/4) 0%

4

(2/8) 25%

5

(2/16) 12%

6

(4/32) 12%

7

(8/64) 12%

8

(6/128) 4%

9

(4/256) 1%

Tot:

(26/510) 5%

Marriage Dates

2

(0/1) 0%

3

(0/2) 0%

4

(0/4) 0%

5

(1/8) 12%

6

(2/16) 12%

7

(4/32) 12%

8

(3/64) 4%

9

(2/128) 1%

Tot:

(12/255) 4%

Death Dates

2

(0/2) 0%

3

(0/4) 0%

4

(2/8) 25%

5

(2/16) 12%

6

(2/32) 6%

7

(4/64) 6%

8

(6/128) 4%

9

(2/256) 0%

Tot:

(18/510) 3%