I commend Sheryl Sandberg for being open about her grief in the form of a book. It's something that collectively we do a very poor job from. Previously Patton Oswalt opened up his life to the pain after his loss. Traumatic loss is full of heartache, challenge and unwelcome surprises. When people in the public eye talk about grief it performs an important role in role in awareness and dialogue.
It should be noted that many people who are not famous also respond to tradegy in amazing ways. If you want further inspiration to how humans react to terrrible circumstances than look no further than the Stringer family and Rowan's Law. There are an amazing amount of families who respond to the loss of a child with a desire to prevent other families from feeling that pain. Each story brings a tear to our eye but also inspires us to do what we can.
The impact of trauma on a child and the traumatic loss of a child are a whole other basket of heartache. Thanks to Jamie Moyer through Camp Erin and the The Moyer Foundation there are resources for kids who suffer the unimaginable loss of a sibling like Teagan's brothers did.
Our good friends at the Cycle Against Suicide posted this quote recently that seemed to characterize the unique pain of losing a child - "When a parent dies you bury them in the ground. When a child dies you bury them in your heart."