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Willem Cornelis Albertus ELFERS

b. 12 Apr 1890
p. Goor, , Noord-Brabant, Netherlands
d.
p.

Hendrikus ELFERS

b. 1867
p. Goor, , Overijssel, Netherlands
d. 18 Dec 1931
p. Haarlemmermeer, , Noord-Holland, Netherlands
9 Jun 1888

Derk ELFERS

b.
d.

Wilhemina HOLTKAMP

b.
d.

Aaltje van SLUITERS

b. 1867
p. Amsterdam, , Noord-Holland, Netherlands
d. 25 Apr 1944
p. Haarlem, , Noord-Holland, Netherlands
9 Jun 1888

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

Aldert Adriaansz MOLENAAR

b. 23 May 1756
d. 19 Jul 1816

Antje Cornelis MUL

b. 1766
d. 17 Mar 1818

Elisabeth KOOMEN

b. 13 Sep 1806
d. 7 Sep 1855

Louwrens KOOMEN

b. 1772
d. 19 Sep 1826

Aaltje Jansd GOUWEN

b. 1780
d. 4 May 1825

Marriage(s):
Johanna Adriana van BERKUM
m: on 5 Sep 1918 in Haarlem, , Noord-Holland, Netherlands.



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

(9/28) 32%

5

(14/56) 25%

6

(16/112) 14%

7

(22/224) 9%

8

(22/448) 4%

9

(10/896) 1%

Tot:

(109/1785) 6%

People

2

(2/2) 100%

3

(4/4) 100%

4

(4/8) 50%

5

(4/16) 25%

6

(8/32) 25%

7

(9/64) 14%

8

(11/128) 8%

9

(4/256) 1%

Tot:

(46/510) 9%

Birth Dates

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(4/16) 25%

6

(5/32) 15%

7

(7/64) 10%

8

(7/128) 5%

9

(3/256) 1%

Tot:

(32/510) 6%

Marriage Dates

2

(1/1) 100%

3

(1/2) 50%

4

(1/4) 25%

5

(2/8) 25%

6

(2/16) 12%

7

(3/32) 9%

8

(1/64) 1%

9

(1/128) 0%

Tot:

(12/255) 4%

Death Dates

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(4/16) 25%

6

(1/32) 3%

7

(3/64) 4%

8

(3/128) 2%

9

(2/256) 0%

Tot:

(19/510) 3%