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Major update reorganizes entire haplogroup I2 tree

Monday, January 27, 2020

A continental branch and a branch within Western-Isles: 2020-01-26 tree for I-L233

Click here to download our 2020-01-26 tree for I-L233

These tree shows the following updates:

A new branch called I-FT137092 both samples have European ancestry, one from Hanover, Germany and the other from the Netherlands.  Both Big Ys were partly sponsored by the I-P37 project General Fund. The parallel branch I-FT85135 contains a single family from England.


I-Y138217 is the Western-Isles cluster, all known members have British ancestry and they share two distinctive marker values:
DYS389=13-29
Y-GATA-H4=9

This update splits I-Y138217 into two branches:
I-BY160207 contains two families
I-BY91094 contains two members of the large Slayden/Slatten etc. family


Click here to find our previous tree for I-L233
Click here for a brief description of the I-L233 haplogroup

Thursday, January 23, 2020

It's hard to compare Big Y-500 to Big Y-700: 2020-01-22 tree for I-Y4882

Click here to download our 2020-01-22 draft tree for I-Y4882

I-A1328 is a major branch below I-Y4882. On our previous trees, A1328 had one equivalent SNP: Y15928. This update shows that Y15928 is below A1328 and two newly discovered SNPs are equivalent to A1328. The new SNPs are named FT16342 and FT27092.

We show FT16342 and FT27092 as equivalent to A1328 but it's possible that one or both SNPs are slightly higher in the haplotree, we couldn't check these SNPs in the I-A12505 haplogroup. But other branches like I-A10230, I-A7358 etc. are all FT16342- and FT27092-.

Most members of I-A1328 have only Big Y-500 results and in general SNPs with FT prefixes are not sampled in Big Y-500 tests. We recommend that people with Big Y results send us their VCF link and that everyone with Big Y or other NGS results order the YFull.com analysis.
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This update also shows a new branch called I-FT28683, it's the parent of the previously known I-BY42257/Y141127 branch. Most I-BY42257/Y141127 samples have Big Y-500 results which don't cover the FT28683 position. But one BY42257+/Y141127+ man did the the Big Y-700 test and received FT28683+ results.

We show another new branch below I-FT28683, it's called I-BY153754. It contains two samples, one with Big Y-500 results (Hungary ancestry) and a new Big Y-700 sample (Ukraine ancestry). FTDNA's Big Y Block tree currently shows four participants in I-Z16969*, one of these participants is the Hungary-ancestry man. The other three participants are not members of the I-P37 project.

Maybe FTDNA and/or YFull will update their trees and we will learn more about these SNPs and branches.

Click here to find our previous I-Y4882 tree
Click here for a brief description of the I-Y4882 haplogroup

Tuesday, January 21, 2020

Another old Irish family: 2020-01-17 tree for I-Y11222

Click here to download our 2020-01-17 draft tree for I-Y11222

This tree shows a branch called I-Y63713, it contains the Healy family from southwestern Ireland, and some other families that probably had Healy paternal ancestry several generations ago. Based on the number of SNPs/variants in each sample, the common ancestor of this family lived many hundreds of years ago.

For example, the most recent sample (indicated in red) has 15 private variants and he shares another 4 variants with only one other sample. That's 19 variants that occurred after the MRCA of the 4 samples, and this MRCA was very likely named Healy or its equivalent in the Irish language.

According to this tree, the two I-Y63713* samples don't share any downstream variants. But they share the rare STR marker value DYS458=12 with each other and with some other Healy men. And if they both upgrade to Big Y-700 I think there's a good chance that they will find some shared variants.

Click here to find our previous tree for I-Y11222
Click here for a brief description of the I-Y11222 haplogroup

Thursday, January 9, 2020

Another branch immediately below I-Y4252: 2020-01-09 tree for I-L233

Click here to download our 2020-01-09 tree for I-L233

This update shows 4 new branches:

  • I-Y85503 is a new branch immediately below I-Y4252. There are now 11 immediate child branches of I-Y4252, nine contain multiple samples and have been named, and there are only 2 unnamed I-Y4252* branches. 
  • As a reminder, many branches have been grouped together in the I-FGC56883 branch. FGC56883 isn't suitable for individual SNP testing, and the I-FGC56883 branch doesn't appear on the YFull tree or FTDNA's tree. But we have observed very consistent results for FGC5688 and we include it in this draft haplotree
  • This tree also shows a new branch called I-FT85526, it's part of I-Y85503. The two samples in I-FT85526 have different surnames but they are closely related to each other
  • I-FT85135 is a new branch below I-BY117344. The two samples in I-FT85135 are closely related and they have the same surname
  • I-Y85139 is a new branch below I-A7111

I-Y85503, I-BY117344, I-Y85139 and their subbranches contain only British-origin samples according to present knowledge.

Click here to find our previous tree for I-L233
Click here for a brief description of the I-L233 haplogroup

Sunday, January 5, 2020

more results in I-Z113: 2020-01-05 tree for I-CTS11338

Click here to download our 2020-01-05 draft tree for I-CTS11338

This tree shows a new branch in I-SK678 (part of I-Z113). The sample was given by a man who was born in England and whose paternal ancestors have presumably lived in England for hundreds of years. I-Z113 has an MRCA who lived 1550 years ago according to YFull's calculation. Most known members of I-Z113 are from Spain, Portugal and France but there are some other English members, and none known from other countries.

This tree also shows a new SNP called FT94805, it's equivalent to Y140451.  The placement of  FT94805 was confirmed thanks to a Big Y-500 to Big Y-700 upgrade. (These SNPs are in a different branch of I-Z113)

Click here to find our previous tree for I-CTS11338
Click here for a brief description of the I-CTS11338 haplogroup

Saturday, January 4, 2020

Three new branches: 2020-01-03 tree for I-Y4460

Click here to download our 2020-01-03 draft tree for I-Y4460

This tree shows the following updates:

  • I-FT104884 is a new branch below I-FT78951. I believe both samples have paternal ancestry from Ukraine.
  • I-FT152146 is a new branch below I-Y3118. One sample has paternal ancestry from Finland and the other has paternal ancestry from Turkey.
  • I-PH5047 is a new branch below I-S8201. One sample did a Big Y-700, he has paternal origin from Tatarstan. The other sample has Greek paternal origin, and was part of  P. Hallast's 2014 survey (sample ID was gre-86).
  • FT7391 is a new SNPs, it's equivalent to FT8963. This I-FT8963 branch is below I-FT10545



Click here to find our previous tree for I-Y4460
Click here for a brief description of the I-Y4460 haplogroup

new Lindesay branch: 2020-01-03 tree for I-FT11343

Click here to download our 2020-01-03 draft tree for I-FT11343

This tree shows a new branch called I-FT123395. The two members are named Lindesay. Most members of I-FT11343 use the spellings Lindsay and Lindsey. I-FT11343 also contains a few men with other surnames, but probably they had Lindsay paternal ancestors in previous generations.

Click here to find our previous tree for I-FT11343

Thursday, January 2, 2020

First I-PH908 tree for 2020

Click here to download our 2020-01-02 draft tree for I-PH908


  • the new I-MF2888 haplogroup is part of I-FT16449
  • a new sample splits I-Y81557 into three branches. I-Y81557 is also part of I-FT16449
  • three additional samples are added to existing branches


Click here to find our previous tree for I-PH908
Click here for a brief description of the I-PH908 haplogroup

Major northern Irish branch in Disles-B: 2020-01-01 tree for I-L621

Click here to download our 2020-01-01 draft tree for I-L621

Many branches of "Disles" are found in Great Britain and Ireland. One of the most common branches is I-BY89974, which is shown on this updated tree. The members of I-BY89974 are mostly from the northern part of Ireland and from Scotland, and they have the distinctive marker value DYF395S1=15-17.

Click here to find our previous tree for I-L621
Click here for a brief description of the I-L621 haplogroup