For he was yet in the loins of his father, when Melchisedec met him. For he was yet in the loins of his father - That is, Levi was seminally included in Abraham, his forefather.
Related Commentaries of Hebrews 7:10
Hebrews 7:10
10 For he was yet in the loins of his father, when Melchisedec met him.