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Pieternella Elisabeth van OS

b. 6 Jun 1899
p. Den Helder, , Noord-Holland, Netherlands
d. 14 Dec 1928
p. Amersfoort, , Utrecht, Netherlands

Engel van OS

b. 10 Sep 1862
p. Egmond aan Zee, , Noord-Holland, Netherlands
d. 23 Jan 1917
p. Velsen, , Noord-Holland, Netherlands
28 Jul 1892

Pieter van OS

b. 1834
d.

Gerrit van OS

b.
d.

Engeltje TOL

b. 1808
d. 25 Oct 1846

Teunis TOL

b. 1786
d. 1 Apr 1852

Dirkje DEKKER

b. 1786
d. 15 Oct 1843

Maartje OLDENBURG

b. 1836
d.

Jacob OLDENBURG

b. 17 May 1801
d. 11 Feb 1871

Adrianus Cornelisz "Arie" OLDENBURG

b. 15 Apr 1748
d. 16 Jan 1813

Elisabeth Aarjens BAKKER

b. 1756
d. 23 Sep 1812

Aagie Gerrits ZWAAN

b. 16 Oct 1803
d. 15 Apr 1859

Gerrit Jacobsz ZWAAN

b. 1764
d. Dec 1807

Maartje Jans de GROOT

b. 1773
d. 21 Dec 1835

Aaltje de VRIJ

b. 1864
p. Egmond aan Zee, , Noord-Holland, Netherlands
d. 16 Dec 1916
p. Velsen, , Noord-Holland, Netherlands
28 Jul 1892

Pieter Joppen de VRIJ

b. 20 Aug 1836
d. 1879

Job Pietersz de VRIJ

b. 1813
d.

Pieter Joppe de VRIJ

b.
d.

Engeltje PANNEVIS

b.
d.

Helena "Leentje" Rongen GUL

b. 1813
d.

Rong GUL

b.
d.

Kniertje TELLEMAN

b.
d.

Elisabeth Cornelisd van der PLAS

b. 21 Mar 1839
d. 9 Mar 1903

Cornelis Cornelisz van der PLAS

b. 1812
d. 22 Mar 1875

Cornelis Cornelisz van der PLAS

b. 1777
d. 30 May 1845

Trijntje Baarts BAK

b. 23 Jan 1780
d. 6 Feb 1857

Aaltje Engels KONIJN

b. 25 Feb 1811
d. 21 Nov 1847

Engel Ijsbrand KONIJN

b.
d.

Lisbeth van der SCHINKEL

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

(23/28) 82%

5

(33/56) 58%

6

(36/112) 32%

7

(43/224) 19%

8

(52/448) 11%

9

(61/896) 6%

Tot:

(267/1785) 14%

People

2

(2/2) 100%

3

(4/4) 100%

4

(8/8) 100%

5

(14/16) 87%

6

(14/32) 43%

7

(16/64) 25%

8

(20/128) 15%

9

(23/256) 8%

Tot:

(101/510) 19%

Birth Dates

2

(2/2) 100%

3

(4/4) 100%

4

(7/8) 87%

5

(8/16) 50%

6

(10/32) 31%

7

(12/64) 18%

8

(15/128) 11%

9

(22/256) 8%

Tot:

(80/510) 15%

Marriage Dates

2

(1/1) 100%

3

(2/2) 100%

4

(3/4) 75%

5

(3/8) 37%

6

(4/16) 25%

7

(5/32) 15%

8

(6/64) 9%

9

(6/128) 4%

Tot:

(30/255) 11%

Death Dates

2

(2/2) 100%

3

(2/4) 50%

4

(5/8) 62%

5

(8/16) 50%

6

(8/32) 25%

7

(10/64) 15%

8

(11/128) 8%

9

(10/256) 3%

Tot:

(56/510) 10%