Minerva Queen of Handcuffs, also Queen of Mystery, was born Margaretha Snelling on Dec 18 1878 in Germany. Her career as an escape artist ran from 1904-1913. The retired from the stage after marrying illusion builder Guy Jarrett.
She is buried in Mission City Memorial Park, Santa Clara, CA, Plot Section K-3, No 26. She is buried with her fourth husband, George Backus. Sadly, though there is a spot on the grave marker for her name, Minerva's name does not appear on the gravestone at all.
For more information on Minerva, check out my podcast #26 on https://magicdetectivepodcast.com