She is predeceased by her parents Walter Lee Knox, Sr. and Mildred Elvira (Thompson) Knox; her brother Walter Lee Knox, Jr.; sisters Lois Marie Melvin and Sandra Gail Krustchinsky. Sheila is survived by niece Cyndi Dunahoe and her husband Jim, nephew Cody Melvin and his wife Barbie, Matthew Melvin and his wife Melissa; nephew David Melvin and his wife Juilette and many cousins, great nieces and nephews and great-great neces and nephews.