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Martinus DULFER

b. 18 Oct 1874
p. Katwijk, , Zuid-Holland, Netherlands
d. 16 Feb 1924
p. Katwijk, , Zuid-Holland, Netherlands

Anthonius Marinus DULFER

b. 26 Jun 1836
p. Katwijk aan de Rijn, , Zuid-Holland, Netherlands
d. 14 Jan 1922
p. Katwijk, , Zuid-Holland, Netherlands
12 May 1870

Martinus DULFER

b.
d.

Johanna Maria SEEL

b.
d.

Geertje van der PLAS

b. 3 Sep 1843
p. Katwijk aan Zee, , Zuid-Holland, Netherlands
d. 5 Feb 1924
p. Katwijk, , Zuid-Holland, Netherlands
12 May 1870

Cornelis van der PLAS

b. 25 Oct 1819
d. 1 Feb 1893

Cornelis Cornelisz van der PLAS

b. 1783
d. 7 Feb 1858

Cornelis Krijnsz van der PLAS

b. 19 May 1754
d. 18 Mar 1826

Aaltje Jansd HAASNOOT

b. 16 Oct 1757
d. 6 Mar 1826

Huibertje Philipsdr SPAANDERMAN

b. 1784
d. 21 Feb 1853

Philip Jacobsz SPAANDERMAN

b.
d.

Leuntje Lammertsdr KLOK

b.
d.

Ariaantje KLOK

b. 25 Oct 1817
d. 11 Sep 1877

Jan Cornelis KLOK

b. 1788
d.

Cornelis Cornelisz KLOK

b. 1758
d.

Aagje Cornelis VERHEIJ

b. 1759
d.

Dirkje KUIJT

b. 1792
d.

Pieter Klaasz KUIJT

b.
d.

Ariaentie Jans SPAANDERMAN

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

(9/14) 64%

4

(12/28) 42%

5

(16/56) 28%

6

(23/112) 20%

7

(28/224) 12%

8

(42/448) 9%

9

(57/896) 6%

Tot:

(194/1785) 10%

People

2

(2/2) 100%

3

(4/4) 100%

4

(4/8) 50%

5

(8/16) 50%

6

(8/32) 25%

7

(12/64) 18%

8

(18/128) 14%

9

(24/256) 9%

Tot:

(80/510) 15%

Birth Dates

2

(2/2) 100%

3

(2/4) 50%

4

(4/8) 50%

5

(4/16) 25%

6

(6/32) 18%

7

(9/64) 14%

8

(13/128) 10%

9

(19/256) 7%

Tot:

(59/510) 11%

Marriage Dates

2

(1/1) 100%

3

(1/2) 50%

4

(2/4) 50%

5

(2/8) 25%

6

(3/16) 18%

7

(4/32) 12%

8

(6/64) 9%

9

(3/128) 2%

Tot:

(22/255) 8%

Death Dates

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(2/16) 12%

6

(6/32) 18%

7

(3/64) 4%

8

(5/128) 3%

9

(11/256) 4%

Tot:

(33/510) 6%