Arabs (n = 102), Kurds (n = 104), Turkmens (n = 102), Yazidis (n = 106) and Syriacs (n = 86).
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0187408
A glimpse at the intricate mosaic of ethnicities from Mesopotamia: Paternal lineages of the Northern Iraqi Arabs, Kurds, Syriacs, Turkmens and Yazidis