"pointed to multiple origins for Ashkenazi Levites, who comprise approximately 4% among the Ashkenazi Jews.It found that Haplogroup R1a1a (R-M17), uncommon in the Middle East or among Sephardi Jews, is present in over 50% of Ashkenazi Levites, while the rest of Ashkenazi Levites' paternal lineage is of certain Middle Eastern origin, including Y-chromosome haplogroups E3b,J2,F,R1b,K,I,Q,N and L. Haplogroup R1a1a is found at the highest levels among people of Eastern European descent, with 50 to 65% among Sorbs, Poles, Russians, and Ukrainians.