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Steven SCHIPPER

b.
p.
d.
p.

John SCHIPPER

b. 5 Feb 1912
p. Maplewood, Essex, New Jersey, United States
d. 29 Jul 1986
p. Gatesville, Coryell, Texas, United States

Albert SCHIPPER

b. 3 Mar 1878
d.

Jan SCHIPPER

b.
d.

Trijntje SCHOEN

b.
d.

Maartje ZWART

b. 27 Sep 1881
d. 1953

Pieter ZWART

b. 19 Nov 1848
d. 10 Sep 1896

Simon ZWART

b.
d.

Maartje ARP

b.
d.

Aaltje BESSE

b. 17 Oct 1853
d.

Jan Jacobsz BESSE

b. 1805
d. 28 Jun 1884

Grietje STAM

b. 11 Apr 1816
d. 29 Jan 1867

Mildred Louise PURDUE

b. 2 Apr 1922
p. Chicago, Cook Co, Illinois., USA
d. 4 Jun 2004
p. Gatesville, Coryell, Texas, United States

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

(6/14) 42%

4

(8/28) 28%

5

(9/56) 16%

6

(11/112) 9%

7

(16/224) 7%

8

(12/448) 2%

9

(8/896) 0%

Tot:

(76/1785) 4%

People

2

(2/2) 100%

3

(2/4) 50%

4

(4/8) 50%

5

(4/16) 25%

6

(4/32) 12%

7

(6/64) 9%

8

(8/128) 6%

9

(4/256) 1%

Tot:

(34/510) 6%

Birth Dates

2

(2/2) 100%

3

(2/4) 50%

4

(2/8) 25%

5

(2/16) 12%

6

(3/32) 9%

7

(4/64) 6%

8

(2/128) 1%

9

(2/256) 0%

Tot:

(19/510) 3%

Marriage Dates

2

(0/1) 0%

3

(1/2) 50%

4

(1/4) 25%

5

(1/8) 12%

6

(1/16) 6%

7

(2/32) 6%

8

(1/64) 1%

9

(1/128) 0%

Tot:

(8/255) 3%

Death Dates

2

(2/2) 100%

3

(1/4) 25%

4

(1/8) 12%

5

(2/16) 12%

6

(3/32) 9%

7

(4/64) 6%

8

(1/128) 0%

9

(1/256) 0%

Tot:

(15/510) 2%