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Isabella Ritchie LANGTON

b.
p.
d.
p.

Michael John Todd LANGTON

b.
p.
d.
p.

Darlene Ruth RITCHIE

b.
p.
d.
p.

Alan Douglas RITCHIE

b.
d.

Ruth Lila METCALFE

b.
d.

Clarence Edgar METCALFE

b. 1 Mar 1907
d. 15 Apr 1991

John METCALFE

b. 21 Jan 1870
d. 3 Sep 1958

Ida Charlotte E. TINDALL

b. 4 Apr 1874
d. 4 Aug 1960

Helen Bernice SMITH

b. 23 Sep 1911
d. 30 Jun 1983

James Edward SMITH

b.
d.

Florence A. FIRBY

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

(2/7) 28%

3

(2/14) 14%

4

(7/28) 25%

5

(9/56) 16%

6

(14/112) 12%

7

(24/224) 10%

8

(14/448) 3%

9

(9/896) 1%

Tot:

(81/1785) 4%

People

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(4/16) 25%

6

(4/32) 12%

7

(8/64) 12%

8

(8/128) 6%

9

(6/256) 2%

Tot:

(36/510) 7%

Birth Dates

2

(0/2) 0%

3

(0/4) 0%

4

(2/8) 25%

5

(2/16) 12%

6

(4/32) 12%

7

(8/64) 12%

8

(4/128) 3%

9

(2/256) 0%

Tot:

(22/510) 4%

Marriage Dates

2

(0/1) 0%

3

(0/2) 0%

4

(1/4) 25%

5

(1/8) 12%

6

(2/16) 12%

7

(2/32) 6%

8

(1/64) 1%

9

(0/128) 0%

Tot:

(7/255) 2%

Death Dates

2

(0/2) 0%

3

(0/4) 0%

4

(2/8) 25%

5

(2/16) 12%

6

(4/32) 12%

7

(6/64) 9%

8

(1/128) 0%

9

(1/256) 0%

Tot:

(16/510) 3%