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Cornelis ALKEMADE

b. 1808
p. Noordwijk, , Zuid-Holland, Netherlands
d.
p.

Cornelis ALKEMADE

b.
p.
d.
p.

Alida van der PLAS

b.
p.
d.
p.

Arie Leendertsz van der PLAS

b. 1737
d. 24 Mar 1824

Leendert van der PLAS

b. 17 Mar 1701
d. 21 Jan 1774

Pieter Leendertsz van der PLAS

b. 1670
d. 2 Mar 1758

Wilhelimina "Willempje" Huijberts HEEMSKERK

b. 1677
d. 23 Jan 1755

Cornelia Arisdr BERKHOUT

b. 1700
d. 9 Sep 1768

Arie Jansz BERKHOUT

b.
d.

Ritze Willemsdr van der MEER

b.
d.

Catherina "Trintje" KAPTEIN

b. 1739
d. 3 Apr 1804

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

(6/14) 42%

4

(7/28) 25%

5

(8/56) 14%

6

(7/112) 6%

7

(9/224) 4%

8

(9/448) 2%

9

(9/896) 1%

Tot:

(57/1785) 3%

People

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(4/16) 25%

6

(2/32) 6%

7

(4/64) 6%

8

(4/128) 3%

9

(4/256) 1%

Tot:

(24/510) 4%

Birth Dates

2

(0/2) 0%

3

(2/4) 50%

4

(2/8) 25%

5

(2/16) 12%

6

(2/32) 6%

7

(2/64) 3%

8

(2/128) 1%

9

(2/256) 0%

Tot:

(14/510) 2%

Marriage Dates

2

(0/1) 0%

3

(0/2) 0%

4

(1/4) 25%

5

(0/8) 0%

6

(1/16) 6%

7

(1/32) 3%

8

(1/64) 1%

9

(1/128) 0%

Tot:

(5/255) 1%

Death Dates

2

(0/2) 0%

3

(2/4) 50%

4

(2/8) 25%

5

(2/16) 12%

6

(2/32) 6%

7

(2/64) 3%

8

(2/128) 1%

9

(2/256) 0%

Tot:

(14/510) 2%