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FTDNA Y-tree branch

I-S7660

I-S7660 is a branch of the FamilyTreeDNA Y tree with 1,257 kits that gave a country, counting all sub-branches. It is most common in these samples: Montenegro (4.2% of kits), Sweden (3.8% of kits), Bosnia and Herzegovina (3.6% of kits). The branch's common ancestor lived about 2,900 years ago: the FTDNA Discover estimate runs from 2,500 to 3,400 years ago.

1,257
kits in the branch
with a country given, including all sub-branches
200
on the branch itself
kits whose test did not resolve a sub-branch
20%
Big Y
share of kits with a Big Y test among all kits of the branch, sub-branches included
3
sub-branches
1 with their own page, 2 without
2,900 years
age by Discover
the common ancestor lived 2,500 to 3,400 years ago

Where it is found #

Countries and regions given by the branch's carriers. “Share of branch” is the part of the branch's kits that belongs to the country. “Share of country” is the part of that country's kits that falls into the branch; it is computed only for countries with at least 50 kits.

Where it is found
Country / region kits Share of branch Share of country
Sweden 465 3.8%
England 178 0.6%
United States 173 0.6%
Denmark 55 3.4%
United Kingdom 53 0.5%
Norway 49 1.1%
Germany 42 0.2%
Scotland 39 0.3%
Finland 38 0.4%
Ireland 29 0.1%
Northern Ireland 16 0.5%
Bosnia and Herzegovina 13 3.6%
France 13 0.2%
Russian Federation 10 0.1%
Montenegro 8 4.2%
Canada 6 0.4%
Croatia 6 1.2%
Estonia 6 2.0%
Serbia 6 1.7%
Italy 5 <0.1%
24 more

The remaining countries and regions (24), 47 kits in total: Netherlands 5, Poland 4, Ukraine 4, Australia 3, Hungary 3, United States (Native American) 3, Wales 3, Belgium 2, England (Cornish) 2, Lithuania 2, Macedonia 2, Romania 2, Albania 1, Argentina 1, Austria 1, Canada (Inuit) 1, Czech Republic 1, Guyana 1, Jersey 1, Mexico 1, Moldova 1, Portugal 1, Scotland (Orkney) 1, Spain 1.

YFull

Most common among these peoples #

From YFull samples that gave a mother tongue: the part of a people's samples that falls into this branch. Peoples with at least 3 samples in the branch are listed.

Sub-branches #

Sub-branches that have their own page (50 kits or more). The bar is the kits in the sub-branch with its own sub-branches; the age is when its common ancestor lived.

I-S14887
1,018 · 81.0% 2,900 years

2 small sub-branches more without a page: 39 kits. On the branch itself, without a resolved sub-branch: 200 kits.

Surnames #

Surnames that testers entered at FTDNA, over the whole branch with its sub-branches: 57 distinct among 191 kits. FTDNA gives surnames per branch only, with no country attached, so they cannot be split by country.

YFull

The same branch on YFull #

YFull builds its tree from the same SNPs; the node is matched by name or by a shared SNP. TMRCA is when the common ancestor of all samples lived, formed is when the branch split from its parent. Intervals are 95%.

I-Y3662: 259 samples. YFull publishes no age for this branch.

In the site's findings #