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Klaas van der PLAS

b.
p.
d.
p.

Pieter van der PLAS

b. 4 Jan 1898
p. Katwijk aan Zee, , Zuid-Holland, Netherlands
d. 11 Aug 1975
p. Leiden, , Zuid-Holland, Netherlands
4 Jul 1923

Jan van der PLAS

b. 1 Jan 1851
d. 28 May 1935

Leendert van der PLAS

b. 3 Apr 1825
d. 16 Oct 1898

Cornelis Leenderts van der PLAS

b. 22 Sep 1796
d. 5 Jul 1850

Altje Jacobsdr PARLEVLIET

b. 7 Jul 1800
d. 6 Nov 1854

Grietje VOOIJS

b. 30 Jan 1827
d. 21 Jan 1884

Jan Jacobsz VOOIJS

b. 1797
d.

Aafje VERMEER

b. 1798
d.

Dirkje van der PLAS

b. 28 Dec 1852
d. 29 Jun 1937

Ijsbrand van der PLAS

b. 15 Jul 1812
d. 27 May 1910

Pieter Teunisz van der PLAS

b. 1787
d. Jan 1817

Arendje Ijsbrands van DUIJKEREN

b. 1790
d. 17 Aug 1868

Maartje MOLENAAR

b. 27 Jun 1815
d. 9 Jan 1900

Arij Maartensz MOLENAAR

b.
d.

Leuntje Gijsbertsdr HAASNOOT

b.
d.

Dirkje JONKER

b. 1901
p. Katwijk, , Zuid-Holland, Netherlands
d.
p.
4 Jul 1923

Klaas JONKER

b. 1860
d.

Cornelis JONKER

b. 25 Aug 1819
d. 16 Feb 1892

Cornelis Cornelisz JONKER

b. 1783
d. 8 Nov 1851

Klaasje Jacobsd van RHIJN

b. 1787
d. 4 Jan 1831

Jannetje van RIJN

b. 4 Mar 1819
d. 14 Apr 1900

Johannes Jacobsz van RIJN

b. 11 Jul 1784
d. 12 Apr 1866

Jopje Jacobsdr KUIJT

b. 14 Jan 1787
d. 16 Jan 1866

Aafje SHADDE van DOOREN

b. 1866
d.

Hubertus SHADDE van DOOREN

b.
d.

Dijrkje OUWEHAND

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

(6/7) 85%

3

(12/14) 85%

4

(23/28) 82%

5

(35/56) 62%

6

(54/112) 48%

7

(60/224) 26%

8

(65/448) 14%

9

(89/896) 9%

Tot:

(344/1785) 19%

People

2

(2/2) 100%

3

(4/4) 100%

4

(8/8) 100%

5

(12/16) 75%

6

(20/32) 62%

7

(24/64) 37%

8

(22/128) 17%

9

(32/256) 12%

Tot:

(124/510) 24%

Birth Dates

2

(2/2) 100%

3

(4/4) 100%

4

(6/8) 75%

5

(10/16) 62%

6

(14/32) 43%

7

(18/64) 28%

8

(22/128) 17%

9

(28/256) 10%

Tot:

(104/510) 20%

Marriage Dates

2

(1/1) 100%

3

(2/2) 100%

4

(3/4) 75%

5

(5/8) 62%

6

(6/16) 37%

7

(5/32) 15%

8

(8/64) 12%

9

(12/128) 9%

Tot:

(42/255) 16%

Death Dates

2

(1/2) 50%

3

(2/4) 50%

4

(6/8) 75%

5

(8/16) 50%

6

(14/32) 43%

7

(13/64) 20%

8

(13/128) 10%

9

(17/256) 6%

Tot:

(74/510) 14%