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Tijmen Gijsbert NOLLEN-VOLKERS

b.
p.
d.
p.

Gijsbert Jakob NOLLEN

b.
p.
d.
p.

Nicole Aimee VOLKERS

b.
p.
d.
p.

Cornelis Ferdinand "Bob" VOLKERS

b.
d.

Jacob Johannes Nicolaas "Jaap" VOLKERS

b. 7 Feb 1916
d.

Jacob VOLKERS

b. 1883
d.

Maria Johanna Eliszbeth BAKKER

b. 1889
d. 1984

Marie Nelli Johanna "Miep" van der PLAS

b. 15 Jul 1917
d. 28 Sep 1999

Cornelis Jan "Cor" van der PLAS

b. 3 Sep 1886
d. 23 Nov 1949

Jansje Jeanette DEKKER

b. 3 Dec 1889
d. 1 Dec 1965

Lammechien Jantina Catharina "Inez" VORENKAMP

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

(2/7) 28%

3

(2/14) 14%

4

(6/28) 21%

5

(13/56) 23%

6

(26/112) 23%

7

(53/224) 23%

8

(104/448) 23%

9

(170/896) 18%

Tot:

(376/1785) 21%

People

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(4/16) 25%

6

(8/32) 25%

7

(16/64) 25%

8

(32/128) 25%

9

(59/256) 23%

Tot:

(125/510) 24%

Birth Dates

2

(0/2) 0%

3

(0/4) 0%

4

(2/8) 25%

5

(4/16) 25%

6

(8/32) 25%

7

(16/64) 25%

8

(30/128) 23%

9

(49/256) 19%

Tot:

(109/510) 21%

Marriage Dates

2

(0/1) 0%

3

(0/2) 0%

4

(1/4) 25%

5

(2/8) 25%

6

(4/16) 25%

7

(8/32) 25%

8

(15/64) 23%

9

(20/128) 15%

Tot:

(50/255) 19%

Death Dates

2

(0/2) 0%

3

(0/4) 0%

4

(1/8) 12%

5

(3/16) 18%

6

(6/32) 18%

7

(13/64) 20%

8

(27/128) 21%

9

(42/256) 16%

Tot:

(92/510) 18%