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Lena GROEN

b. 16 Sep 1928
p. Katwijk, , Zuid-Holland, Netherlands
d. 13 Sep 1997
p. Katwijk, , Zuid-Holland, Netherlands

Hendrik GROEN

b. 8 Sep 1902
p. Katwijk, , Zuid-Holland, Netherlands
d. 17 Jun 1958
p. Katwijk, , Zuid-Holland, Netherlands
12 Jan 1927

Antje van DUIJN

b. 5 Jan 1905
p. Katwijk, , Zuid-Holland, Netherlands
d. 27 Feb 1931
p. Katwijk, , Zuid-Holland, Netherlands
12 Jan 1927

Dirk van DUIJN

b. 1882
d.

Lena van der PLAS

b. 1884
d.

Jan van der PLAS

b. 17 Apr 1857
d.

Amerik Cornelisz van der PLAS

b. 24 Nov 1813
d. 11 Sep 1880

Jaapje van RIJN

b. 30 Jul 1814
d. 11 Jun 1893

Huijbertje ZUIJDERDUIJN

b. 5 Oct 1855
d.

Cornelis ZUIJDERDUIJN

b.
d.

Geertje RUWAARD

b.
d.

Marriage(s):
Willem van der PLAS
m: .



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

(6/7) 85%

3

(4/14) 28%

4

(5/28) 17%

5

(9/56) 16%

6

(13/112) 11%

7

(14/224) 6%

8

(18/448) 4%

9

(23/896) 2%

Tot:

(92/1785) 5%

People

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(4/16) 25%

6

(4/32) 12%

7

(6/64) 9%

8

(8/128) 6%

9

(8/256) 3%

Tot:

(36/510) 7%

Birth Dates

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(2/16) 12%

6

(4/32) 12%

7

(4/64) 6%

8

(4/128) 3%

9

(8/256) 3%

Tot:

(28/510) 5%

Marriage Dates

2

(0/1) 0%

3

(0/2) 0%

4

(1/4) 25%

5

(1/8) 12%

6

(1/16) 6%

7

(2/32) 6%

8

(2/64) 3%

9

(2/128) 1%

Tot:

(9/255) 3%

Death Dates

2

(2/2) 100%

3

(0/4) 0%

4

(0/8) 0%

5

(2/16) 12%

6

(4/32) 12%

7

(2/64) 3%

8

(4/128) 3%

9

(5/256) 1%

Tot:

(19/510) 3%