Complex sentence: Following the disappearance of her husband in 1944, with the pain of her loss still fresh in her heart, she wrote a memoir of their life together called "The Tale of the Rose", which she sealed them away in a trunk in her home.
Split into simpler sentences: Following the disappearance of her husband in 1944, she wrote a memoir of their life together called "The Tale of the Rose". These memoirs were never published in her lifetime, as she sealed them away in a trunk in her home.