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FTDNA Y-tree branch

I-CTS6433

I-CTS6433 is a branch of the FamilyTreeDNA Y tree with 2,588 kits that gave a country, counting all sub-branches. It is most common in these samples: Denmark (3.2% of kits), Switzerland (3.1% of kits), Netherlands (2.4% of kits). The branch's common ancestor lived about 4,400 years ago: the FTDNA Discover estimate runs from 3,900 to 5,100 years ago. YFull has 448 samples in this branch and dates its common ancestor to 4,100 years ago.

2,588
kits in the branch
with a country given, including all sub-branches
313
on the branch itself
kits whose test did not resolve a sub-branch
24%
Big Y
share of kits with a Big Y test among all kits of the branch, sub-branches included
5
sub-branches
3 with their own page, 2 without
4,400 years
age by Discover
the common ancestor lived 3,900 to 5,100 years ago
4,100 years
age by YFull
common ancestor (TMRCA); the branch split from its parent 4,100 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
England 455 1.6%
United States 446 1.5%
Germany 299 1.7%
Sweden 226 1.9%
Scotland 164 1.2%
Ireland 150 0.7%
United Kingdom 126 1.3%
Norway 102 2.2%
Switzerland 92 3.1%
France 81 1.3%
Netherlands 56 2.4%
Denmark 53 3.2%
Finland 43 0.4%
Poland 30 0.4%
Russian Federation 27 0.4%
Czech Republic 24 1.0%
Italy 23 0.4%
Northern Ireland 23 0.8%
Canada 16 1.0%
Wales 15 0.7%
40 more

The remaining countries and regions (40), 137 kits in total: Hungary 12, United States (Native American) 11, Mexico 9, Portugal 9, Ukraine 9, Belgium 8, Austria 7, Bulgaria 7, Spain 7, Slovenia 6, Brazil 5, Australia 4, Belarus 3, Cuba 3, Estonia 3, Latvia 3, Åland 2, Croatia 2, Jamaica 2, Russia (Republic of Chuvashia) 2, Serbia 2, Slovakia 2, South Africa 2, Armenia 1, Belgium (Wallonia) 1, Bosnia and Herzegovina 1, Canada (First Nations) 1, Colombia 1, England (Cornish) 1, France (Alsace) 1, Greece 1, Iceland 1, India 1, Indonesia 1, Kuwait 1, New Zealand 1, Puerto Rico 1, Romania 1, Scotland (Shetland) 1, Spain (Andalusia) 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-S2364
1,862 · 71.9% 4,200 years
I-L1425
242 · 9.4% 4,100 years
I-SK1258
158 · 6.1% 4,300 years

2 small sub-branches more without a page: 13 kits. On the branch itself, without a resolved sub-branch: 313 kits.

Surnames #

Surnames that testers entered at FTDNA, over the whole branch with its sub-branches: 154 distinct among 578 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-CTS6433: 448 samples. The common ancestor lived 4,100 years ago (3,700–4,500); the branch split off 4,100 years ago (3,700–4,500).

In the site's findings #