Maybe it would be a blessing to your family if you wrote (or dictated) a Life Review? The normal basics include: date and place of birth; names of parents; childhood friends, schools, stories; details about marriage(s); education; designations and awards; employment jobs, activities, stories, promotions; places of residence; hobbies, interests and activities; charitable, religious, fraternal, political and other affiliations; disappointments (and how you handled them) and other individual attributes.
Wow! That is quite a list to get you started.