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Jack MATHERS

b.
p.
d.
p.

Ian Avery MATHERS

b.
p.
d.
p.

William MATHERS

b.
d.

Robert MATHERS

b. 24 Mar 1905
d. 1 Jun 1983

Janet Farquhar SIVEWRIGHT

b. 21 Oct 1907
d. 17 May 1980

Robert SIVEWRIGHT

b. 26 Sep 1867
d. 1 Apr 1924

Annie HORNE

b. 2 Nov 1873
d. 20 Feb 1928

Iris Dorothy AVERY

b.
d.

Eileen Margaret GEDDES

b.
p.
d.
p.

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

(2/14) 14%

4

(6/28) 21%

5

(6/56) 10%

6

(6/112) 5%

7

(7/224) 3%

8

(7/448) 1%

9

(4/896) 0%

Tot:

(40/1785) 2%

People

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

(4/256) 1%

Tot:

(20/510) 3%

Birth Dates

2

(0/2) 0%

3

(0/4) 0%

4

(2/8) 25%

5

(2/16) 12%

6

(2/32) 6%

7

(2/64) 3%

8

(2/128) 1%

9

(0/256) 0%

Tot:

(10/510) 1%

Marriage Dates

2

(0/1) 0%

3

(0/2) 0%

4

(0/4) 0%

5

(0/8) 0%

6

(0/16) 0%

7

(1/32) 3%

8

(1/64) 1%

9

(0/128) 0%

Tot:

(2/255) 0%

Death Dates

2

(0/2) 0%

3

(0/4) 0%

4

(2/8) 25%

5

(2/16) 12%

6

(2/32) 6%

7

(2/64) 3%

8

(0/128) 0%

9

(0/256) 0%

Tot:

(8/510) 1%