1)
Who is "Chodesh Ishto"?
1.
Radak #1: This is 'Shilcho Osam' mentioned in the previous verse.
2.
Radak #2: It is Bara. (We infer so, for Radak said that he fathered via Chushim and Bara; below (11) it mentions only sons from Chushim. - PF)
3.
Malbim #1: It is a new wife.
4.
Malbim #2: It is a wife named Chodesh.
