Who was Yokim?
Malbim: He was the head of the family.
What does the verse teach about these people?
'Rashi': Also they were from Shelah. Radak - according to Pshat, they are names of families from Yehudah. Chazal expounded the names to teach about Machlon and Kilyon.
Who are "Anshei Chozeva"?
Radak #1: They descended from Shelah.
Radak #2: They lived in Keziv.
Who are "Yo'ash v'Saraf"?
'Rashi' and Radak, citing Bava Basra 91b: They are Machlon and Kilyon (Bnei Elimelech).
Radak: They descended from Shelah.
What is the meaning of "Asher Ba'alu l'Mo'av"?
'Rashi', Radak #1: They married women of Mo'av.
Radak #2: They fought with Mo'av, and were masters over them.
Why does it say "v'Yashuvi Lechem"?
Radak #1: They were from Beis Lechem Yehudah.
Radak #2: This is the name of a descendant of Shelah.
Malbim: Also they were heads of this family.
What do we learn from "veha'Devarim Atikim"?
'Rashi': Do not say that since I began listing people of our generation, these were after them. No! People in this verse were in ancient times.
Radak #1: Even though this is not found in a Sefer of Nevu'ah, it is known via tradition, and Ne'etak (copied, i.e. transmitted) from person to person.
Radak: This refers to everything that Ezra wrote. Even though it is not found in a Sefer of Nevu'ah, do not say 'how did Ezra know what was not in his days?' There was a tradition for everything.
Malbim: The details of this episode were copied onto a special Sefer that Ezra had.
