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Jorinda Maria NIEROP

b.
p.
d.
p.

Jan NIEROP

b. 1945
p. Amsterdam, , Noord-Holland, Netherlands
d. 1993
p. Schagen, , Noord-Holland, Netherlands

Jan NIEROP

b. 1902
d. 1986

Dirk NIEROP

b. 7 Feb 1876
d. 24 Jan 1954

Jan NIEROP

b. 18 Jul 1846
d. 1 Jul 1888

Guurtje van der OORD

b. 23 Mar 1853
d. 27 Jun 1881

Wilhelmina Elisabeth BONOUVRIE

b. 21 Mar 1877
d. 15 Apr 1933

Jan BONOUVRIE

b.
d.

Wilhelmina Elisabeth JANSEN

b.
d.

Geertje KOLTHEK

b. 1905
d. 1998

Johanna Maria van der HORST

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

(4/7) 57%

3

(6/14) 42%

4

(7/28) 25%

5

(9/56) 16%

6

(14/112) 12%

7

(23/224) 10%

8

(29/448) 6%

9

(23/896) 2%

Tot:

(115/1785) 6%

People

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(4/16) 25%

6

(4/32) 12%

7

(8/64) 12%

8

(12/128) 9%

9

(12/256) 4%

Tot:

(46/510) 9%

Birth Dates

2

(1/2) 50%

3

(2/4) 50%

4

(2/8) 25%

5

(2/16) 12%

6

(4/32) 12%

7

(6/64) 9%

8

(9/128) 7%

9

(6/256) 2%

Tot:

(32/510) 6%

Marriage Dates

2

(0/1) 0%

3

(0/2) 0%

4

(1/4) 25%

5

(1/8) 12%

6

(2/16) 12%

7

(3/32) 9%

8

(3/64) 4%

9

(2/128) 1%

Tot:

(12/255) 4%

Death Dates

2

(1/2) 50%

3

(2/4) 50%

4

(2/8) 25%

5

(2/16) 12%

6

(4/32) 12%

7

(6/64) 9%

8

(5/128) 3%

9

(3/256) 1%

Tot:

(25/510) 4%