FTDNA Haplogroup H (H10e2) FGS H10e2* - T4823C predictive new sub branch
HVR1: 16093C 16221T 16519C (093 221 519) 093C, 221T, 519C
HVR2: 263G 309.1C 315.1C

Famous mtDNA Families: https://www.eupedia.com/genetics/famous_mtdna_by_haplogroup.shtml
What is mtDNA: https://www.youtube.com/watch?v=1A9tDclVlI8

Note: Female mtDNA is very slow to mutate and is best used for migration research and in some cases to rule out a birth line. For finding close relatives, up to 6-8 generations, use Autosomal DNA first. mtDNA for genealogy is difficult at best, even perfect full sequence matches could be over a 1,000 years old.

. https://help.familytreedna.com/hc/en-us/articles/360004592756-mtDNA-Matches-Introduction#accessing-mtdna-matches-0-4
. https://dna-explained.com/2016/06/29/concepts-genetic-distance/
. https://genealogy.stackexchange.com/questions/11739/how-far-back-is-a-mtdna-match-of-genetic-distance-2-likely-to-be

Clan Helena: http://www.olypen.com/amelia/helena/
. https://en.wikipedia.org/wiki/Haplogroup_H10e_(mtDNA)
Other mtDNA Haplogroup H10e2 Groups:
. http://www.grantonline.com/dna/pugh-dna/dna-maternal.htm
. http://www.familytreedna.com/public/mtdna_haplogroup_H10/default.aspx?section=mtresults