Haplogroup E-CTS261 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | E1b1a1a1a1c1a1a3a1c1 |
|---|---|
| Defining mutations | 2 |
| Downstream branches | 36 |
| Estimated age | 2,600 years |