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Jacob van der PLAS

b. 1 Sep 1854
p. Katwijk, , Zuid-Holland, Netherlands
d. 28 Jul 1888
p. Katwijk, , Zuid-Holland, Netherlands

Leendert van der PLAS

b. 3 Apr 1825
p. Katwijk aan Zee, , Zuid-Holland, Netherlands
d. 16 Oct 1898
p. Katwijk, , Zuid-Holland, Netherlands
11 Nov 1848

Cornelis Leenderts van der PLAS

b. 22 Sep 1796
d. 5 Jul 1850

Leendert Cornelisz van der PLAS

b. 1765
d. 30 May 1845

Cornelis Krijnsz van der PLAS

b. 1737
d.

Neeltje Arijs HOEK

b. 1738
d.

Leuntje Klaasdr JONKER

b. 1765
d. 9 Jul 1842

Klaas Jans JONKER

b. 10 Feb 1732
d. 22 Mar 1774

Weijntje Cornelisdr KUIJT

b. 10 Jun 1736
d. 18 Dec 1784

Altje Jacobsdr PARLEVLIET

b. 7 Jul 1800
d. 6 Nov 1854

Jacob Jacobsz PARLEVLIET

b. 1770
d. 30 Oct 1829

Jacob Klaasz PARLEVLIET

b. 20 Oct 1726
d. 31 Dec 1784

Nelletje Jacobsdr HOEK

b. 9 Jul 1730
d. 11 Oct 1811

Leuntje Pietersdr de VREUGD

b. 1780
d. 12 Jan 1814

Pieter de VREUGD

b. Nov 1738
d. 1 Jul 1810

Leuntje van BEELEN

b. 5 Oct 1738
d. 2 Apr 1806

Grietje VOOIJS

b. 30 Jan 1827
p. Katwijk aan de Rijn, , Zuid-Holland, Netherlands
d. 21 Jan 1884
p. Katwijk, , Zuid-Holland, Netherlands
11 Nov 1848

Jan Jacobsz VOOIJS

b. 1797
d.

Jacob VOOIJS

b.
d.

Leentje BERGMAN

b.
d.

Aafje VERMEER

b. 1798
d.

Aart VERMEER

b.
d.

Grietje van den OEVER

b.
d.

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

(18/28) 64%

5

(24/56) 42%

6

(26/112) 23%

7

(41/224) 18%

8

(64/448) 14%

9

(75/896) 8%

Tot:

(267/1785) 14%

People

2

(2/2) 100%

3

(4/4) 100%

4

(8/8) 100%

5

(8/16) 50%

6

(8/32) 25%

7

(16/64) 25%

8

(24/128) 18%

9

(27/256) 10%

Tot:

(97/510) 19%

Birth Dates

2

(2/2) 100%

3

(4/4) 100%

4

(4/8) 50%

5

(8/16) 50%

6

(8/32) 25%

7

(12/64) 18%

8

(21/128) 16%

9

(26/256) 10%

Tot:

(85/510) 16%

Marriage Dates

2

(1/1) 100%

3

(2/2) 100%

4

(2/4) 50%

5

(2/8) 25%

6

(4/16) 25%

7

(6/32) 18%

8

(7/64) 10%

9

(4/128) 3%

Tot:

(28/255) 10%

Death Dates

2

(2/2) 100%

3

(2/4) 50%

4

(4/8) 50%

5

(6/16) 37%

6

(6/32) 18%

7

(7/64) 10%

8

(12/128) 9%

9

(18/256) 7%

Tot:

(57/510) 11%