Duchess Gertrude was a rival of Margaret Thoreaux, in the quest the stones of power.
Gertrude got Thoreaux and her friends burned as witches.
Her descendants continued the quest for the stones of power, until the early 21st century, when the stones were found and merged into a crystal by Clark Kent.
- Duchess Gertrude was portrayed by Jane Seymour.
- Gertrude's eyes briefly light up purple. The reason for this was never explained.
- 1 Appearances of Gertrude (Smallville)
- 1 Images featuring Gertrude (Smallville)
- Quotations by or about Gertrude (Smallville)
- Character Gallery: Gertrude (Smallville)