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Maria van der PLAS

b. 26 May 1869
p. Den Haag, , Zuid-Holland, Netherlands
d. 28 Feb 1945
p. Voorburg, , Zuid-Holland, Netherlands

Adrianus van der PLAS

b. 10 Feb 1842
p. Oudshoorn, , Alphen aan den Rijn, Zuid-Holland, Netherlands
d. 13 Jul 1918
p. Rotterdam, , Zuid-Holland, Netherlands
21 May 1868

Johannes van der PLAS

b. 1818
d.

Arie Engelsz van der PLAS

b. 1795
d. 5 Apr 1874

Engelmodus "Engel" van der PLAS

b. 1740
d. 9 Jan 1821

Johanna Catharina Maria "Mietje" FLASCHAR

b. 9 May 1759
d. 11 Jan 1897

Adriana Elisabeth VLASBLOM

b. 1793
d.

Jan VLASBLOM

b.
d.

Elisabeth MENS

b.
d.

Maartje BROOD

b. 1818
d.

Jozeph BROOD

b.
d.

Catharina JANSEN

b.
d.

Sophia Theresia van VEEN

b. 21 Sep 1846
p. Voorburg, , Zuid-Holland, Netherlands
d. 2 Apr 1927
p. Rotterdam, , Zuid-Holland, Netherlands
21 May 1868

Johannes van VEEN

b.
d.

Sophia Maria BEUKERS

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

(7/14) 50%

4

(8/28) 28%

5

(8/56) 14%

6

(6/112) 5%

7

(6/224) 2%

8

(13/448) 2%

9

(15/896) 1%

Tot:

(70/1785) 3%

People

2

(2/2) 100%

3

(4/4) 100%

4

(4/8) 50%

5

(4/16) 25%

6

(2/32) 6%

7

(2/64) 3%

8

(4/128) 3%

9

(6/256) 2%

Tot:

(28/510) 5%

Birth Dates

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(2/16) 12%

6

(2/32) 6%

7

(2/64) 3%

8

(4/128) 3%

9

(6/256) 2%

Tot:

(22/510) 4%

Marriage Dates

2

(1/1) 100%

3

(1/2) 50%

4

(1/4) 25%

5

(0/8) 0%

6

(0/16) 0%

7

(1/32) 3%

8

(1/64) 1%

9

(1/128) 0%

Tot:

(6/255) 2%

Death Dates

2

(2/2) 100%

3

(0/4) 0%

4

(1/8) 12%

5

(2/16) 12%

6

(2/32) 6%

7

(1/64) 1%

8

(4/128) 3%

9

(2/256) 0%

Tot:

(14/510) 2%