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FTDNA Y-tree branch

I-L621 I2a-L621

Equivalent branches, the same kits: I-S10302 (2,834 kits, 7,400 years), I-CTS4012 (2,834 kits, 6,700 years)

I-L621 is a branch of the FamilyTreeDNA Y tree with 2,845 kits that gave a country, counting all sub-branches. Almost all of its kits sit in a single sub-branch, I-CTS4002, so this branch gets no conclusions of its own. It is most common in these samples: Bosnia and Herzegovina (31% of kits), Croatia (27% of kits), Serbia (22% of kits). The branch's common ancestor lived about 12k years ago: the FTDNA Discover estimate runs from 11k to 14k years ago. The oldest of the equivalent branches, I-S10302, split off about 7,400 years ago by Discover. YFull has 1,152 samples in this branch and dates its common ancestor to 6,400 years ago.

2,845
kits in the branch
with a country given, including all sub-branches
57
on the branch itself
kits whose test did not resolve a sub-branch
18%
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
12k years
age by Discover
the common ancestor lived 11k to 14k years ago
6,400 years
age by YFull
common ancestor (TMRCA); the branch split from its parent 12k 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
Ukraine 482 11%
Poland 337 4.6%
Russian Federation 292 4.1%
Bulgaria 146 17%
Croatia 137 27%
Hungary 135 7.1%
Germany 128 0.7%
Czech Republic 114 4.8%
Bosnia and Herzegovina 113 31%
Slovakia 89 9.1%
Greece 86 6.5%
Belarus 82 4.8%
Serbia 76 22%
Romania 70 6.5%
Slovenia 55 12%
Austria 46 4.3%
Montenegro 40 21%
United States 37 0.1%
Italy 36 0.6%
Lithuania 33 1.8%
62 more

The remaining countries and regions (62), 311 kits in total: Macedonia 28, Sweden 28, Ireland 25, Finland 20, Scotland 18, Turkey 17, Albania 14, Spain 13, Moldova 12, Kosovo 11, England 9, France 7, Kazakhstan 7, Latvia 7, Russia (Republic of Chuvashia) 7, Switzerland 7, Estonia 6, Russia (Republic of Mordovia) 6, Russia (Republic of Dagestan) 4, United Kingdom 4, Canada 3, Cyprus 3, Denmark 3, Northern Ireland 3, Russia (Republic of Adygea) 3, Russia (Republic of Karelia) 3, Argentina 2, Azerbaijan 2, Israel 2, Puerto Rico 2, Russia (Republic of Bashkortostan) 2, Russia (Republic of Tatarstan) 2, Syrian Arab Republic 2, Armenia 1, Aruba 1, Belgium 1, Belgium (Flanders) 1, Brazil 1, Canada (First Nations) 1, Cuba 1, Egypt 1, France (Corsica) 1, Georgia (Republic of Abkhazia) 1, Ghana 1, Iran 1, Italy (Friuli-Venezia Giulia) 1, Jordan 1, Lebanon 1, Malta 1, Mexico 1, Netherlands 1, Norway 1, Palestinian Territory 1, Portugal 1, Russia (Republic of Chechnya) 1, Russia (Republic of Kabardino-Balkaria) 1, Russia (Republic of Udmurtia) 1, Saudi Arabia 1, Sudan 1, Tunisia 1, United States (Native American) 1, Uzbekistan 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-CTS4002
2,786 · 97.9% 5,600 years

2 small sub-branches more without a page: 2 kits. On the branch itself, without a resolved sub-branch: 57 kits.

Surnames #

Surnames that testers entered at FTDNA, over the whole branch with its sub-branches: 59 distinct among 140 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-L621: 1,152 samples. The common ancestor lived 6,400 years ago (5,300–7,600); the branch split off 12k years ago (11k–13k).