"If you don't know history, then you don't know anything. You are a leaf that doesn't know it is part of a tree." Michael Crichton ~ Share your family history and document it. Future generations will thank you.
This process is known as memoir writing or legacy writing. You are putting down in as close to the primary source (yourself or the living relative) as possible those small or large events that helped shape your existence.
This quote cannot be more true, yet so often the world forgets the history of the past and never learns the grave mistakes of those who lives before us. This is something Social Studies teachers need to stress to their students.