Privacy question

Does anyone ever worry about their journal being seen by others after they die? Like, I worry that my children might read my journals after I'm gone and that might affect their views of me or their memories of certain events or something. Sometimes I find myself uncomfortable writing down some of my feelings, perhaps after an argument with a family member, because I'm afraid they might see that entry at some point in the future and be upset or hurt by it. But at the same point, I don't want destroy the entry after I write it - I'm not actually sure why I feel that way, but I do.

Does this even make sense? Or am I just overthinking and worrying about nothing?