About Else Cantor
Cantors eldest daughter Else was nine years old in the spring of 1884.
SOURCE: Aczel, Amir D.; "The Mystery of the Aleph: Mathematics, the Kabbalah, and the Search for Infinity"; page 93.
Year of birth and date of death are shown on the gravestone of the Cantor family at Friedhos in Halle (picture taken in 2008).
SOURCE: Monuments on Mathematicians: Grave of Georg Cantor in Halle. [http://www.w-volk.de/museum/grave56.htm]