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Elmer Dean KOOY

b. 3 Oct 1922
p. Lansing, Cook, Illinois, United States
d. 24 Oct 2003
p.

Albert Pieters KOOY

b. 19 Dec 1893
p. Munster, Lake Co, Indiana, United States
d. 24 Mar 1920
p. Lake County, Indiana, United States
24 Mar 1920

Pieter KOOIJ

b. May 1861
d. 27 Apr 1915

Pieter KOOIJ

b. 21 Mar 1821
d. 13 Nov 1874

Jan KOOIJ

b. 1792
d. 1852

Antje KIEFT

b. 1793
d. 29 Oct 1824

Guurtje KLAVERBLAD

b. 26 Dec 1823
d. 10 Feb 1905

Garbrand KLAVERBLAD

b. 1798
d. 6 Oct 1833

Jannetje BLOM

b. 4 Aug 1803
d. 11 Apr 1884

Leintje "Lena" de BOER

b. Apr 1864
d. 12 Dec 1944

Wintje "Winnie" Alberts RIEDSTRA

b. 18 Jun 1898
p. Ferwerderadeel , , Friesland, Netherlands
d. 27 May 1990
p. Lansing, Cook, Illinois, United States
24 Mar 1920

Albert Riemers RIEDSTRA

b. 1869
d.

Riemer Uilkes RIEDSTRA

b. 1834
d.

Uilke Riemers RIEDSTRA

b.
d.

Antje Sjoerds ATSMA

b.
d.

Antje Alberts de VRIES

b. 1837
d.

Albert Teunis de VRIES

b.
d.

Fentje Harings van der KOOIJ

b.
d.

Tjitske 'Jessie' Reinders van der BIJL

b. 1876
d.

Reinder Jans van der BIJL

b. 1852
d.

Jan Bastiaans van der BIJL

b.
d.

Hittje Bokkes VISSER

b.
d.

Dieuwke Dirks KALMA

b. 1852
d.

Dirk Dirksz KALMA

b.
d.

Tjitske Jans BUWALDA

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

(11/14) 78%

4

(17/28) 60%

5

(22/56) 39%

6

(19/112) 16%

7

(15/224) 6%

8

(17/448) 3%

9

(20/896) 2%

Tot:

(128/1785) 7%

People

2

(2/2) 100%

3

(4/4) 100%

4

(6/8) 75%

5

(12/16) 75%

6

(8/32) 25%

7

(6/64) 9%

8

(6/128) 4%

9

(8/256) 3%

Tot:

(52/510) 10%

Birth Dates

2

(2/2) 100%

3

(4/4) 100%

4

(6/8) 75%

5

(4/16) 25%

6

(5/32) 15%

7

(4/64) 6%

8

(5/128) 3%

9

(6/256) 2%

Tot:

(36/510) 7%

Marriage Dates

2

(1/1) 100%

3

(1/2) 50%

4

(3/4) 75%

5

(2/8) 25%

6

(1/16) 6%

7

(1/32) 3%

8

(2/64) 3%

9

(1/128) 0%

Tot:

(12/255) 4%

Death Dates

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(4/16) 25%

6

(5/32) 15%

7

(4/64) 6%

8

(4/128) 3%

9

(5/256) 1%

Tot:

(28/510) 5%