aka Wonder Girl Cassie Sandsmark
Daughter of archeologist Helena Sandsmark.
Cassandra Sandsmark first appeared in Wonder Woman #105 and created by John Byrne. Member of the Teen Titans and a sometimes sidekick to Wonder Woman.
Teen Titans #1
Cassie Sandsmark and Krypto
Art by McGuan - online web page
Teen Titans 18 - Wonder Woman vs Wonder Girl
Original Page September 2015