Bravo, Bernard!!! In a message dated 9/23/2011 7:17:12 P.M. Central Daylight Time, bernardmorgan@hotmail.com writes: The idea of a Scottish derbhfine system is the basis of G.A. MacGregor 2006 justification of Clann Donnachaidh's origin from the Celtic Earls of Atholl. I learn from G.A. MacGregor that in medieval Scotland there was land deemed heritable only in the male line, i.e., could not be passed by marriage, but held by derbhfine. It is through the continued ownership of Glenerochie that G.A. MacGregor makes the case for Clann Donnachaidh's origin from the Celtic Earls of Atholl http://design15.clickstay.net/supplement/Mag2007.pdf My understanding is that the current chief has tested. I would assume the result is confidential; however, in the history I posted link to it states his result were *similar to Nial* meaning he's M222, but not necessarily of the classic Nial modal. Of these McC & Duncan matches: I would be interested in seeing your analysis if you would like to share!!! (Now what I would like to see is analysis of the DNA. I know there is a large group of Duncans who match McConnachies. There is a second group of M222 Duncans from Scotland who do not match. There's also a second group of McConchies who do not match. These are the McConchies Lawrence Dill is working on linked because of a possible ReCLOH at YCA11ab. The DNA is listed on the M222 web site. Each of these surnames apparently have two different unrelated M222 origins. I took a cursory look at the Robertson DNA. There's lots of M222 there. But I did not see any that matched the Duncan/McConnachie cluster. I do not yet know how well they match each other. There are a few M222 Reids. But none that I thougth were a good match to the Duncans/McConachies. A few share the 385=11-12 with the group but miss at other off modal markers. In the next few days I'll try and capture all the Robertson samples from the web site)." **With the help of John & Bill I took a look at the three M222 McC groups and some Duncan M222 from group B -- ie the identicle matching Haplotypes were entered only once, and thus not all test results with their 37 marker strings were entered. The Nial group of McC's is not related to the others recently; however, there seems to be a genetic intersection between one McC in M222 B and the Nial M222 McC perhaps as long ago as about 2,800 years using Bills method; another method look may reveal an intersection not that far back or similar. Similarly McC M222 group A intersections with these Duncan M222 group B seems to begin around 1,125 years ago, another at about 779 years ago, with the most recent between 300 -- 500 years ago. After reviewing these I concluded that it would be good to look at the entire clan M222 data base among all the surnames represented. Your conclusions seems to agree with mine that a good look is in order. To that end, I'll repeat another if not full of work idea of pulling M222 out of all the different Scottish Clan projects and taking a look. The results may be very useful and there would be likely a thousand or more who claim the various Scottish Clan associations already testing out M222 -- that is just a guess. Susan