"...Persis continued to battle illness and the family found it necessary to stop and spend the next winter at West Union. At that point, they changed plans and went to Kirtland, Ohio where they remained for four years. During that time, Persis gave birth to two more children. Lorenzo went on several missions for the Church and Persis was left in Kirtland to care for the children. In the summer of 1836, the family suffered a great tragedy. During one of the absences of Lorenzo, little three-year-old Lucy caught her clothes on fire and burned to death...."

SOURCE: http://freepages.genealogy.rootsweb.ancestry.com/~ckph/youngld.html