Talk:Genealogical numbering systems

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RIN & AFIN?

What are these genealogical numbering systems? My genealogical software wants me to pick one, but I don't know about them nor does your article include them by those names. Thank you, Wordreader (talk) 04:39, 17 December 2013 (UTC)[reply]

d'Aboville System

In the first sentence, the phrase "widely used in France" seems to refer to the Henry System because of the phrase's position in the sentence. Clearer would be: "The d'Aboville System, widely used in France, is a descending numbering method developed by Jacques d'Aboville in 1940 that is very similar to the Henry System."

I didn't make that change because possibly the writer really meant "widely used in France" to refer to the Henry System, though I doubt it.

John Sinclair (talk) 22:03, 21 December 2013 (UTC)[reply]

atree

I was wondering where the 'atree' system comes from, as there appears to be no obvious source for it, at least online. When googling it the only references I can find are pages that directly copy the text in this section word-for-word, and one or two pages that directly refer to this article as their source.

As a system it seems very odd, not least because the 'M's and 'F's used could be taken by casual readers of an 'atree' genealogy to mean Male/Female or Mother/Father, which are of course opposite wasy around in biologically reproducing couples, but even putting that possible confusion aside there is then a problem with the fact that it chooses to incorporate a digit for the start individual, then botches it's own system by having to manipulate the number and gender of male starting individuals to become females for the sake of making the system 'work'. If you were to dispense with the digit for the starting individual, and used 1s and 0s instead of M's and F's, then you would simply be left with the binary expansion of the ahnentafel number (as the text acknowledges), so this is either a) the same system as ahnentafel numbering, and therefore doesn't particularly require a separate section so much as a note that you could write the binary expansion (or equivelant M's and F's) of the ahnentafel instead of the decimal version, OR b) it is in fact a separate system, derived by modifying the ahnentafel system in a way that makes the maths flawed and offers no real benefit to genealogists (incidentally I'm both a mathematician and a genealogist myself), in which case it needs a source for its origin in order to justify that it really is a different system being used by someone somewhere, and not, as it seems, a system that exists only as a result of its inclusion in this article. MrDannyDoodah (talk) 18:10, 26 March 2018 (UTC)[reply]