Hi Michael,
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You asked about R-Y49873, which is part of R-Z159>S3251. I am busy looking at the upper echelons of R-U106 and its early migrations, though it is likely to be a while before I have a renewed idea of R-Z159 and its descendants as these are much later haplgroups. You can see previous analyses in message #5759. For R-Y49873 in particular, the few test results we have indicate that the haplogroup has probably been in modern Germany for the last 1000+ years. It's difficult to say much more than this without too much guesswork at this stage.
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Best wishes,
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Iain.
