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John Bruce Suffren's Ancient Paternal Lineage (Y-DNA Haplogroup) Based on a comparison of John Bruce Suffren's Y-DNA STR markers against individuals with confirmed Y-DNA Haplogroups, John Bruce Suffren is predicted to be a descendent of Y-DNA Haplogroup I on his direct paternal line (father's, father's, father's.... paternal line). The prediction strength is strong. Predicted Haplogroup Y-DNA STR marker testing can provide a prediction regarding which Y-DNA haplogroup an individual belongs to, but the only way to confirm an individual’s Y-DNA haplogroup is through Y-DNA Haplogroup Determination SNP testing. John's Y-DNA haplogroup has been predicted by comparing his Y-DNA STR marker profile to people in the database who have already confirmed their Y-DNA Haplogroup through Y-DNA Haplogroup Determination SNP testing. The higher the prediction strength, the more closely the Y-DNA STR marker profile matches other individuals with a known Y-DNA Haplogroup. A "strong" prediction strength indicates a close match and the predicted Y-DNA Haplogroup is less likely to change. A "medium" or "weak" prediction strength indicates a weaker match and Haplogroup Determination SNP testing is recommended in order to confirm the final Y-DNA haplogroup. The predicted Y-DNA haplogroup for John Bruce Suffren is I (strong prediction strength). Population studies to date have found that Y-DNA Haplogroup I is found in the highest concentration in Croatians, Bosnia-Herzegovina. The distribution of Y-DNA Haplogroup I is as follows: Croatians, Bosnia-Herzegovina 73.50% > Bosnia-Croats 73.4% > Herzegovinians in Southeastern Europe 70.93% > Hvar, Croatia 65.90% > Vastra Gotaland, Sweden 57.3% > Syndorrland, Sweden 56.2% > Brac, Croatia 55.20% > Bosnians in Southeastern Europe 53.7% The studies were conducted by sampling the DNA of indigenous populations and determining the percentage of each indigenous population which belong to Y-DNA Haplogroup I. About Y-DNA Haplogroup I Haplogroup I is a branch which descended from Haplogroup F ancestors. Individuals belonging to Haplogroup I carry the M89 and M213 markers of Haplogroup F, and are further characterized by an additional marker in their Y-DNA called M170. The presence of the M170 marker is unique to all individuals who descended from this line and can be confirmed with SNP testing. The founder of Haplogroup I lived approximately 25,000 to 30,000 years ago in the Balkans during the last Glacial Maximum. He is the direct descendent of Haplogroup F ancestors who had journeyed from the Middle East into the Balkans. Today, the highest frequencies of Haplogroup I are found in the Balkans, near the Dinaric Mountain chain in Croatia. Haplogroup I is strongly associated with Croat populations, namely Slavic people living in Croatia, Bosnia and Herzegovina and other nearby countries. As the ice sheets retreated at the end of the Ice Age, these ancestors continued their journey northward into Northern Europe, in particular Scandinavia (a region in Northern Europe named after the Scandinavian Peninsula). Today, a large portion of Scandinavian populations in the Adriatic regions, including Denmark, mainland Norway, Sweden, and Finland trace their ancestry to this line. Vikings also likely descended from this line. The detection of low frequencies of this haplogroup on the British Isles, France and some Celtic populations may be the result of more recent Vikings raids in these regions. The association between Haplogroup I and Celtic culture is consistent with the parallels seen between the observed spread of Haplogroup I into Western Europe and the corresponding Celtic expansion that occurred in the mid-first millennium BC. The Y-DNA Phylogenetic tree expands at a rapid rate as new SNPs are discovered and new branches are added. Each time the tree grows, many of the subclades are re-named to suite the structure of the updated tree. Your Y-DNA subclade name will update automatically as the tree changes. However, your SNP name remains constant and will never change. If additional Y-DNA SNPs are discovered downstream of your current terminal SNP, you can test those SNP markers separately at a later date. John Bruce Suffren's Y-DNA Subclade classification is based on the current Y-DNA Phylogenetic tree naming nomenclature, Jan 30, 2015.