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Dirk Buijsertszn van der PLAS

b. 1749
p. Katwijk aan Zee, , Zuid-Holland, Netherlands
d.
p.

Buijsert Leendert van der PLAS

b. 1724
p. Katwijk aan Zee, , Zuid-Holland, Netherlands
d. 18 Mar 1791
p. Katwijk aan Zee, , Zuid-Holland, Netherlands
5 May 1748

Leendert Krijne van der PLAS

b. 1684
d. 27 Sep 1751

Krijn Buijsertzn van der PLAS

b. 1651
d.

Buijsert Krijne van der PLAS

b. 1630
d. Abt 1700

Pietertje Claes

b. 1630
d. 1662

Commertje Dirks VINCK

b. 1652
d.

Dirck Leenderts VINCK

b. Bef 1629
d. 1673

Neeltge Ariensdr

b. Bef 1629
d. Aft 1674

Diewertje Jacobs VLIELANDER

b. 1684
d. 22 Sep 1768

Jacob Pieters VLIELANDER

b. 1653
d. 8 Feb 1727

Pieter Pauwels VLIELANDER

b. 1625
d. 26 Oct 1692

Annetgen Florisdr WESTERDUIJN

b. 1625
d. 20 Feb 1675

Gerritje Cornelis GERRITS

b. 1654
d.

Cornelis GERRITS

b. Bef 1623
d.

Claertje WILLEMS

b. Bef 1630
d.

Lijsbeth BERKHEIJ

b. 1725
p. Katwijk aan Zee, , Zuid-Holland, Netherlands
d. 23 Sep 1806
p. Katwijk aan Zee, , Zuid-Holland, Netherlands
5 May 1748

Dirk Ijsbrands BERKHEIJ

b. 7 Oct 1696
d.

Grietje Bouwens van DUIJN

b. 1700
d. 14 Sep 1773

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

(7/7) 100%

3

(12/14) 85%

4

(11/28) 39%

5

(23/56) 41%

6

(12/112) 10%

7

(10/224) 4%

8

(9/448) 2%

9

(2/896) 0%

Tot:

(86/1785) 4%

People

2

(2/2) 100%

3

(4/4) 100%

4

(4/8) 50%

5

(8/16) 50%

6

(6/32) 18%

7

(4/64) 6%

8

(4/128) 3%

9

(1/256) 0%

Tot:

(33/510) 6%

Birth Dates

2

(2/2) 100%

3

(4/4) 100%

4

(4/8) 50%

5

(8/16) 50%

6

(4/32) 12%

7

(3/64) 4%

8

(3/128) 2%

9

(1/256) 0%

Tot:

(29/510) 5%

Marriage Dates

2

(1/1) 100%

3

(1/2) 50%

4

(2/4) 50%

5

(1/8) 12%

6

(1/16) 6%

7

(1/32) 3%

8

(0/64) 0%

9

(0/128) 0%

Tot:

(7/255) 2%

Death Dates

2

(2/2) 100%

3

(3/4) 75%

4

(1/8) 12%

5

(6/16) 37%

6

(1/32) 3%

7

(2/64) 3%

8

(2/128) 1%

9

(0/256) 0%

Tot:

(17/510) 3%