## each male child who opens the womb, the firstborn ##

These two phrases mean basically the same thing and are combined for emphasis. (See: [[rc://en/ta/man/translate/figs-parallelism]])

## male child who who opens the womb ##

This refers to the first male child to which a mother gives birth. (See: [[rc://en/ta/man/translate/figs-idiom]])

## I took the lives ##

AT: "I killed" (See: [[rc://en/ta/man/translate/figs-euphemism]])

## I set them apart ##

Here the word "them" refers to "the firstborn from among the people of Israel."