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Marcel ELFERS

b.
p.
d.
p.

Derk ELFERS

b. 20 Apr 1892
p. Goor, , Noord-Brabant, Netherlands
d. 16 Apr 1947
p. Echt, , Limburg, Netherlands
21 Aug 1929

Hendrikus ELFERS

b. 1867
d. 18 Dec 1931

Derk ELFERS

b.
d.

Wilhemina HOLTKAMP

b.
d.

Aaltje van SLUITERS

b. 1867
d. 25 Apr 1944

Willem Cornelis van SLUITERS

b. 13 Jan 1822
d. 18 Feb 1896

Willem van SLUITERS

b.
d.

Fredrica Sophia Wilhelmina HILDT

b.
d.

Aaltje MOLENAAR

b. 27 Oct 1828
d. 16 Jul 1874

Gerrit Aldertsz MOLENAAR

b. 20 May 1803
d. 20 Jan 1876

Elisabeth KOOMEN

b. 13 Sep 1806
d. 7 Sep 1855

Jansje KNUFMAN

b. 1905
p. Amsterdam, , Noord-Holland, Netherlands
d.
p.
21 Aug 1929

Pieter Bernardus KNUFMAN

b.
d.

Roelfje KRAMER

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

(6/7) 85%

3

(9/14) 64%

4

(9/28) 32%

5

(9/56) 16%

6

(14/112) 12%

7

(16/224) 7%

8

(22/448) 4%

9

(22/896) 2%

Tot:

(107/1785) 5%

People

2

(2/2) 100%

3

(4/4) 100%

4

(4/8) 50%

5

(4/16) 25%

6

(4/32) 12%

7

(8/64) 12%

8

(9/128) 7%

9

(11/256) 4%

Tot:

(46/510) 9%

Birth Dates

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(2/16) 12%

6

(4/32) 12%

7

(5/64) 7%

8

(7/128) 5%

9

(7/256) 2%

Tot:

(31/510) 6%

Marriage Dates

2

(1/1) 100%

3

(1/2) 50%

4

(1/4) 25%

5

(1/8) 12%

6

(2/16) 12%

7

(2/32) 6%

8

(3/64) 4%

9

(1/128) 0%

Tot:

(12/255) 4%

Death Dates

2

(1/2) 50%

3

(2/4) 50%

4

(2/8) 25%

5

(2/16) 12%

6

(4/32) 12%

7

(1/64) 1%

8

(3/128) 2%

9

(3/256) 1%

Tot:

(18/510) 3%