George & Elizabeth (Barker) Higginson
The body was identified by her brother. She was Aunt to Roger Griswold Higginson, son of her brother, and also a victim.
Jeanette's mother (Mrs. George Higginson of Winnetka) was reported as having lost her life in the theater fire, but was not at the performance. (Tribune)
Chicago Tribune (Chicago, Illinois) · 1 Jan 1904, Fri · Page 2 & 6
McCurdy, p 339
Find a Grave https://www.findagrave.com/memorial/17673477/jeannette-barker-higginson