# he went back home with them
"Jesus went back home with Mary and Joseph"
# was obedient to them
"obeyed them" or "was always obeying them"
# treasured all these things in her heart
Here "heart" is a metonym for a person's mind or inner being. Alternate translation: "carefully remembered all these things" (See: [[rc://en/ta/man/jit/figs-metonymy]])