The phrase "went to bed with" is a polite way of referring to having sex. AT: "he had sex with her" or "he slept with her" (See: [[rc://en/ta/man/translate/figs-euphemism]])
The word "Gazites" refers to people from Gaza. This can be stated in active form. AT: "Someone told the people of Gaza" (See: [[rc://en/ta/man/translate/translate-names]])