This can be expressed in active form and assumes that the answer is positive. The question is rhetorical and is used for emphasis. AT: "you can find them in the book of the events of Solomon." (See: [[rc://en/ta/man/translate/figs-activepassive]] and [[rc://en/ta/man/translate/figs-rquestion]])
The clause "slept with his ancestors" is a metaphor that expresses as a euphemism the death of a person in more gentle words. AT: "He died and he was buried with his ancestors" (See: [[rc://en/ta/man/translate/figs-metaphor]] and [[rc://en/ta/man/translate/figs-euphemism]])