Besides the Nivkhs, the authors also have found mtDNA that belongs to haplogroup D4m2 in 8.7% (2/23) Sakkyryyr Evens, 3.7% (1/27) Tompo Evens, and 3.1% (1/32) Northeast Yakuts, with the Northeast Yakut individual sharing an identical haplotype with several of the Nivkhs.