From the Greek name Κλεοπατρα (Kleopatra)
which meant "glory of the father", derived from κλεος (kleos)
"glory" combined with πατρος (patros)
"of the father". This was the name of queens of Egypt from the Ptolemaic royal family, including Cleopatra VII, the mistress of both Julius Caesar and Mark Antony. After being defeated by Augustus she committed suicide by allowing herself to be bitten by an asp. Shakespeare
's tragedy 'Antony and Cleopatra' (1606) is based on her.