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Josie LANGERAAP

b.
p.
d.
p.

John LANGERAAP

b.
p.
d.
p.

Geke LANGERAAP

b.
d.

Jentje Jolle LANGERAAP

b. 3 Apr 1915
d. 14 Feb 1981

Sijmen Jelles LANGERAAP

b. 30 Jun 1890
d. 26 Jun 1973

Aaltje SCHILSTRA

b. 5 Nov 1889
d. 22 Feb 1964

Griet SYSTMA

b. 18 Oct 1915
d.

Joe MATEKOVIC

b. 22 Jan 1934
d. 8 Jun 1987

Shelley (__?__)

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

(4/14) 28%

4

(5/28) 17%

5

(7/56) 12%

6

(11/112) 9%

7

(22/224) 9%

8

(25/448) 5%

9

(8/896) 0%

Tot:

(84/1785) 4%

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

(4/256) 1%

Tot:

(40/510) 7%

Birth Dates

2

(0/2) 0%

3

(1/4) 25%

4

(2/8) 25%

5

(2/16) 12%

6

(4/32) 12%

7

(8/64) 12%

8

(4/128) 3%

9

(3/256) 1%

Tot:

(24/510) 4%

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

(1/64) 1%

9

(0/128) 0%

Tot:

(8/255) 3%

Death Dates

2

(0/2) 0%

3

(1/4) 25%

4

(1/8) 12%

5

(2/16) 12%

6

(1/32) 3%

7

(2/64) 3%

8

(4/128) 3%

9

(1/256) 0%

Tot:

(12/510) 2%