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Gerhart John ZWAKMAN

b. 8 Aug 1923
p. Sandstone, Pine, Minnesota, USA
d. 16 Jul 1945
p. Trinidad

Martin John ZWAKMAN

b. 16 Sep 1886
p. Bergen, , Noord-Holland, Netherlands
d. 1952
p.
25 Nov 1920

Gerrit ZWAKMAN

b. 10 Nov 1857
d. 29 Jan 1938

Sijmon ZWAKMAN

b. 12 Dec 1826
d. 22 Jun 1865

Jan ZWAKMAN

b. 21 Feb 1804
d. 7 Oct 1829

Grietje MULLER

b. 12 Jun 1807
d. 12 Mar 1881

Trijntje Klaasd DEKKER

b. 21 Oct 1825
d. 4 May 1870

Klaas Pietersz DEKKER

b. 2 Dec 1797
d. 7 Dec 1885

Neeltje Cornelis de GROOT

b. 9 Jan 1799
d. 1 Apr 1863

Elisabeth SCHENK

b. 25 Oct 1855
d. 4 Jul 1924

Jan SCHENK

b.
d.

Ariaantje SPRUIT

b.
d.

Elizabeth FEYMA

b. Oct 1892
p. Wisconsin, USA
d. 1971
p. Wisconsin, USA
25 Nov 1920

Klaas Gerbens FEYMA

b. 1849
d.

Gerben Jelles FEYMA

b.
d.

Sybrigje Klazes STIELSTRA

b.
d.

Froukje Joukes van SCHEPAN

b. 1853
d.

Jouke Jacobus van SCHEPAN

b.
d.

Sytske Ruurds BRAAKSMA

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

(13/28) 46%

5

(14/56) 25%

6

(27/112) 24%

7

(44/224) 19%

8

(44/448) 9%

9

(41/896) 4%

Tot:

(202/1785) 11%

People

2

(2/2) 100%

3

(4/4) 100%

4

(8/8) 100%

5

(4/16) 25%

6

(8/32) 25%

7

(14/64) 21%

8

(21/128) 16%

9

(14/256) 5%

Tot:

(75/510) 14%

Birth Dates

2

(2/2) 100%

3

(4/4) 100%

4

(2/8) 25%

5

(4/16) 25%

6

(8/32) 25%

7

(14/64) 21%

8

(10/128) 7%

9

(13/256) 5%

Tot:

(57/510) 11%

Marriage Dates

2

(1/1) 100%

3

(2/2) 100%

4

(1/4) 25%

5

(2/8) 25%

6

(3/16) 18%

7

(6/32) 18%

8

(3/64) 4%

9

(5/128) 3%

Tot:

(23/255) 9%

Death Dates

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(4/16) 25%

6

(8/32) 25%

7

(10/64) 15%

8

(10/128) 7%

9

(9/256) 3%

Tot:

(47/510) 9%