Shem Tov Ha-Levi, one of the greatest Talmudic scholars in Provence, who claimed direct descent of the prophet Samuel, who according to Jewish tradition was a direct descendant of Yitzhar (hence the family name "Ha-Yitzhari"), son of Kehath, son of Levi, son of Jacob.

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According to the masoretic text, Kohath's family tree would be-:

http://en.wikipedia.org/wiki/Kohath

Shem Tov Ha-Levi, one of the greatest Talmudic scholars in Provence, who claimed direct descent of the prophet Samuel, who according to Jewish tradition was a direct descendant of Yitzhar (hence the family name "Ha-Yitzhari"), son of Kehath, son of Levi, son of Jacob.

Berdichevsky-Sokolka Families Tree - HaLevi Of Barcelona, Shemtov

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Haplogroup likely to be: J-FT303739 (see document yDNA Rabbinical in https://www.geni.com/projects/Rabbinical-Lineages-yDNA-and-Haplogroup-Identification/58725 for details)