Ysabeau de Clermont is the formidable vampire matriarch of the powerful de Clermont family and Matthew's fiercely devoted mother. Elegant, sharp tongued, and centuries old, she initially regards Diana with deep suspicion, viewing a witch as an unacceptable match for her son. Her commanding presence and old world authority make her one of the most imposing figures in the creature world.
As she comes to know Diana, Ysabeau's wariness gradually softens into respect and eventually genuine affection, and she becomes a powerful ally to the couple. She offers Diana guidance, protection, and a window into the long history of the de Clermont family. Beneath her cool exterior lies fierce loyalty and a complicated past shaped by love and loss.
Throughout the series, Ysabeau stands as a guardian of family tradition and a force to be reckoned with against those who threaten her loved ones. Her wisdom and strength prove essential as the de Clermonts face mounting threats from rival factions. She ultimately embraces Diana as part of her family and helps safeguard the future they are fighting for.
Ysabeau de Clermont is one of the central figures in A Discovery of Witches, a drama/fantasy/romance/mystery series that aired on Sky One / AMC from 2018-2022. Within the narrative of A Discovery of Witches, Ysabeau de Clermont serves as a pivotal character whose decisions and relationships drive key story arcs throughout 2018-2022. The character's journey has been central to many of the show's most memorable and discussed moments.
Portrayed by Lindsay Duncan, Ysabeau de Clermont has become one of the most recognizable characters in modern television. Lindsay Duncan's performance brings nuance and depth to the role, creating a character that resonates with audiences on both intellectual and emotional levels. The casting of Lindsay Duncan has been widely praised by both critics and fans as essential to the character's impact and the show's success.
Explore More on TVCeleb
TVCeleb.com is the internet's most comprehensive resource for television character fandom, covering 515 acclaimed TV series with 1622 detailed character profiles and 1324 actor biographies. Our coverage spans 106 genres across 127 networks and streaming platforms, with content organized to help fans discover, explore, and engage with television from every angle.
Browse our collection by genre to find shows in your preferred category, by network to see what's available on your streaming platform, by decade to explore different eras of television history, or by curated lists that group characters by archetype and achievement. Each show page features expanded synopses, production details, and video content, while character pages include detailed arc analysis, key episodes, quotes, trivia, and fan ecosystem mapping.
Every character on TVCeleb is scored using our proprietary Fan Heat Index, which measures engagement, social activity, meme velocity, fan art density, and fandom longevity on a scale of 0 to 100. This data-driven approach provides objective insight into which characters have inspired the most passionate and active fan communities. Use the search page to find any character, show, or actor instantly, or start browsing from our homepage to discover what's trending in television fandom today.
? Frequently Asked Questions
Ysabeau de Clermont is played by acclaimed British actor Lindsay Duncan. She portrays the vampire matriarch of the de Clermont family across the series.
Ysabeau is initially hostile and distrustful of Diana because she is a witch and forbidden to her vampire son Matthew. Over time her suspicion gives way to respect and affection, and she becomes one of Diana's strongest allies.