Yes, Diana, you are right to wonder, but it can happen. Even with a 3rd cousin 10 percent will not show a match. Since you are one generation closer to the other cousins, it makes sense that you match them, especially since the difference between them is on the border of where autosomal inheritance falls off dramatically (between 3rd and 4th cousin). The fact that no match shows at all between any of the comparisons with this particular "cousin" is a little suspect, but you are lucky that the others all do match because a pair of full 4th cousins has only about a 50 percent chance of matching. If you feel comfortable with Gedmatch, I would upload everyone there and see if there are a number of matching segments under FF's threshold, especially overlapping ones among you all. If not, I would start wondering about the possibility of a NPE on their line that intersects with yours. CeCe Sent via BlackBerry by AT&T -----Original Message----- From: Diana Gale Matthiesen <[email protected]> Date: Sat, 11 Feb 2012 05:50:23 To: <[email protected]> Subject: [AUTOSOMAL-DNA] unexpected non-match I'm still a novice when it come to FF, so please bear with me... In addition to myself, I have just tested three cousins, all of us descended from my 6th great-grandparents, Isaac DAVIS & Sarah JONES. One cousin is descended from their son, Benjamin DAVIS, while the other three of us are descended from their daughter, Delilah DAVIS, wife of Thomas THOMPSON.  Their relationships to me are: Descendant of Benjamin DAVIS DAVIS - 4th cousin 1R Descendants of Delilah's son, John THOMPSON THOMPSON-A - 4th cousin THOMPSON-B - 3rd cousin 1R Descendant of Delilah's son, George THOMPSON moi I have access to all four accounts, and on the Matches tab for FamilyFinder, the relationships between me and the two THOMPSONs pop right up on the first page of our matches lists, each with a prediction of 3rd cousin (2nd-4th).  The DAVIS not only doesn't pop up on the first page, he doesn't show up as a match at any level for me or the other two THOMPSONs. I checked the paper genealogy of all three before paying for their tests, but am I right to wonder, now, if this DAVIS is really related to us? Diana ______________________________ For answers to Frequently Asked Questions about mailing lists, please see: http://dgmweb.net/MailingListFAQs.html ------------------------------- To unsubscribe from the list, please send an email to [email protected] with the word 'unsubscribe' without the quotes in the subject and the body of the message