Salmon was the father of Boaz, who was the father of Obed.
Salmon was the father of Boaz. (Boaz’s mother was Rahab.) Boaz was the father of Obed. (Obed’s mother was Ruth.) Obed was the father of Jesse.
David was the son of Jesse. Jesse was the son of Obed. Obed was the son of Boaz. Boaz was the son of Salmon. Salmon was the son of Nahshon.
Then Boaz asked his servant in charge of the workers, “Whose girl is that?”
Amminadab was the father of Nahshon, who was the father of Salmon.
Obed was the father of Jesse, and Jesse was the father of David.