Click here to download our first draft tree for I-Y11222.
What is I-Y11222? It's a major branch of I-M26 "Sardinian". The vast majority of men in I-M26 have the very rare value YCAII=11,21 or similar. (YCAII is one of the 37 STR markers in the popular FTDNA.com genealogy DNA test).
75%+ of these people with 11,21 belong to the I-L160 haplogroup which is found in Sardinia, Spain, Portugal, France, Italy, Switzerland western Germany, Britain, Ireland etc. So far, the rest of these people with 11,21 belong to I-Y11222 which is found in the same places as I-L160 and which has a similar age as I-L160 (approximately 5500 years ago according to the YFull.com tree) The common ancestor of I-L160 and I-Y11222 surely also had the 11,21 value and lived approximately 8000 years ago.