Part 885sr – Smith Robertson Genealogy – Robertson Y-DNA – R-U106 – More Ancestors

14 October 2014

Good Day,

As I am currently digging deeper into the realm of our Robertson ancestors I thought that I would revisit our current Robertson Y-DNA results. (Thank you GR.)

According to the Family Tree DNA tests our Robertson Y-DNA Haplogroup is R-U106. The analysis shows that our Robertson Y-DNA is positive for the following SNPs: U106+; and negative for the following SNPs: U198- P89- P312- P107- L6- L48- L325- L257- L217- L21- L144- L1-. In this case the SNP does not stand for the Scottish National Party. It is the abbreviation for “Single-nucleotide polymorphism”. (If you are interested there is a good discussion of Single-nucleotide polymorphism” at Wikipedia.)

From the Genetics Home Reference Single nucleotide polymorphisms, frequently called SNPs (pronounced “snips”), are the most common type of genetic variation among people…SNPs occur normally throughout a person’s DNA. They occur once in every 300 nucleotides on average, which means there are roughly 10 million SNPs in the human genome. Most commonly, these variations are found in the DNA between genes…

Previously I reported I reported that our Robertson Y-DNA Haplogroup is R1b1a2a1a1. This means that every Robertson male in our family line should have and belong to the same Haplogroup.

From my recent research I have read at Y-DNA Halpgroup R and its Subclades - 2014 that R1b1a2a1a-L11/PF6539/S127 and most European R1b1a2 belongs to R1b1a2a1a1-M405/S21/U106 or R1b1a2a1a2-P312/PF6547/S116.

From I have been able to find a number of recently placed family trees that include at least a number of my Robertson ancestors.  The issues are that a few of the family trees do not include complete sources or citations of where they got or received the associated information.  I can use this information as stepping stones to find possible sources.  When comparing the allocated information some of the information is in conflict with each other.  The amazing thing about this presented data is that there is a possibility of locating another four generations of Robertson ancestors.

My goal is to research and search using the presented Robertson family tree information, the Old Scottish Parish Records and other documentation, our Y-DNA, and logical possibilities and conclusions to see if I can make heads or tails my ancestry.




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