The mother of the second incarnation of Wonder Girl, Cassandra Sandsmark and a distinguished academic in the field of archaeology, Helena is also close friends with her daughter's mentor Wonder Woman.

[1] Helena and her daughter Cassie/Wonder Girl are introduced into the DC Universe following the Zero Hour: Crisis in Time!

When Diana leaves Gateway City, Helena makes amends with Cassie and gives her blessing to continue as Wonder Girl.

Helena is deemed a collaborator by the US government and sent to an internment camp, leading Cassie to mount an attempted rescue.

Leaving the Gateway Museum, Helena takes a sabbatical in Greece and uses the Gauntlet of Atlas and Sandals of Hermes to keep her safe.