haplogroups are haplogroups H (50%), I (22%) and J2 (14%), and R1b (7%). Common mitochondrial (i.e. female-line) haplogroups are H (35%), M (26%), U3 (10%), X (7%), other (20%). Whereas male haplogroup H and female M are rare in non-Roma European populations, the rest are found throughout Europe. However, female haplogroups