The paper length is not relevant since the chart flows from one page to the next.
Mobile
in.
mm
Portrait
2.75
70
For smart phones, not for printing
Landscape
5.5
140
For smart phones, not for printing
USA & Canada
in.
mm
Letter Portrait
8.5
216
Also Legal Portrait
Letter Landscape
11
279
Legal Landscape
14
356
Also Ledger Portrait
Ledger Landscape
17
432
International
in.
mm
A5 Portrait
5.82
148
A4 Portrait
8.25
210
Also A5 Landscape
A4 Landscape
11.71
297
Also A3 Landscape
A3 Landscape
16.54
420
The Text+ programs assume that the right and left margins are each about 25mm (1/2 inch) wide.
On the Format for Printing page, differences in page margins can be accommodated by the "fudge factor":
Father: Geert Lubben
(18 Dec 1856 Nieuwe Pekela, Groningen, Nederland - 26 May 1930 Berwyn, Cook County, Illinois, USA)
Mother: Hinderkien Karel
(23 Mar 1859 Stadskanaal, Groningen, Nederland - 15 Jan 1937 Chicago, Cook County, Illinois, USA)
Willem Lubben
(07 Sep 1894 Stadskanaal, Groningen, Nederland - 17 Mar 1961 Holland, Ottawa County, Michigan, USA)
Swanie Westerhoff
(25 Nov 1898 Chicago, Cook County, Illinois, USA - 01 Oct 1984 Zeeland, Ottawa County, Michigan, USA)
         ├─ George Lubben
(Yes, date unknown - Yes, date unknown)
         ├─ Fred Lubben
(Yes, date unknown - Yes, date unknown)
         ├─ Marion Lubben
(18 Jan 1919 Illinois, USA - Yes, date unknown)
         │ + George Voss
(Yes, date unknown - Yes, date unknown)
         ├─ Marjorie Lubben
(13 Feb 1921 Cook County, Illinois, USA - Yes, date unknown)
         │ + Richard Feyen
(Yes, date unknown - Yes, date unknown)
         ├─ Jean Lubben
(25 Apr 1924 Illinois, USA - 01 Dec 2002 Holland, Ottawa County, Michigan, USA)
         ├─ Living
         └─ David Lubben
(24 Feb 1930 Illinois, USA - 11 Jan 2002 Holland, Ottawa County, Michigan, USA)