The Five Lives Of Nikki Sixx’s Kids: What His Children Are Doing Today (Updated 2025)
Nikki Sixx, the legendary co-founder and bassist of Mötley Crüe, is known for his rock and roll rebellion, but his life today, in December 2025, is centered on a much quieter, more complex role: fatherhood. The rock icon, who recently spoke about a lighter touring schedule to prioritize family, is a devoted father to five children, spanning three decades and three marriages. This extensive family tree includes a mix of musicians, artists, entrepreneurs, and a rising rock princess, all forging their own paths outside the shadow of their famous dad.
The story of Nikki Sixx’s family is a testament to his transformation from the wild excesses documented in *The Heroin Diaries* to a stable, family-focused life in Wyoming with his current wife, Courtney Sixx. From his eldest son, a thriving musician, to his youngest daughter, who is already joining the band on tour, here is a complete, updated look at the five children of Nikki Sixx and what they are doing now.
Nikki Sixx: A Complete Biography and Family Profile (2025 Update)
Nikki Sixx was born Frank Carlton Serafino Feranna, Jr. on December 11, 1958, in San Jose, California. The musician’s tumultuous childhood, marked by his father’s absence and a difficult relationship with his mother, Deana Richards, heavily influenced his artistic and rebellious spirit. He eventually adopted the moniker Nikki Sixx and co-founded the iconic glam metal band Mötley Crüe in 1981 with drummer Tommy Lee.
Full Name: Frank Carlton Serafino Feranna, Jr.
Known As: Nikki Sixx
Born: December 11, 1958 (Age 66 in 2025)
Birthplace: San Jose, California
Primary Band: Mötley Crüe (Bassist, Co-Founder, Main Songwriter)
Other Projects: Sixx:A.M. (Band), *The Heroin Diaries* (Book), *This Is Gonna Hurt* (Book), Radio Host, Photographer.
Current Residence: Wyoming
Total Children: Five (Gunner, Storm, Decker, Frankie-Jean, Ruby)
Nikki Sixx’s Marriages and the Mothers of His Children
Nikki Sixx has been married three times, with each relationship bringing a new chapter to his family life:
- Marriage 1: Brandi Brandt (Model): Married in 1989, divorced in 1996. They share three children: Gunner, Storm, and Decker.
- Marriage 2: Donna D'Errico (Actress/Model): Married in 1996, divorced in 2002. They share one daughter: Frankie-Jean.
- Marriage 3: Courtney Sixx (née Bingham, Blogger): Married in 2014. They share one daughter: Ruby.
The Three Eldest: Gunner, Storm, and Decker Sixx (Brandi Brandt)
Nikki Sixx’s first three children, born during his marriage to model Brandi Brandt, have all grown up to pursue creative and entrepreneurial endeavors, though they generally maintain a relatively private profile compared to their father’s celebrity.
1. Gunner Nicholas Sixx (Age 34 in 2025)
As the oldest of the Sixx children, Gunner Nicholas Sixx has followed directly in his father’s musical footsteps, but with a modern, distinctive style.
- Born: January 25, 1991.
- Mother: Brandi Brandt.
- Career Focus: Musician and Visual Artist. Gunner is a multi-talented artist who has released his own music, including singles and EPs, and is known for his work in the visual arts. His sound is often described as alternative rock, showcasing a different side of the family’s musical heritage.
2. Storm Brieann Sixx (Age 31 in 2025)
Storm Brieann Sixx is known for maintaining a life largely out of the intense public spotlight that follows her father.
- Born: 1994.
- Mother: Brandi Brandt.
- Career Focus: Artistic Entrepreneur. While details of her professional life are kept private, she is often described as an artistic entrepreneur, suggesting a creative career path that values privacy and personal expression over public scrutiny.
3. Decker Nilsson Sixx (Age 30 in 2025)
Decker Nilsson Sixx, like his older sister Storm, has chosen a more low-key public existence, focusing on his business interests away from the rock and roll scene.
- Born: 1995.
- Mother: Brandi Brandt.
- Career Focus: Business. He is often noted as being "business-minded" and has successfully navigated a life outside of the entertainment industry.
The Creative and Spiritually Driven: Frankie-Jean Sixx (Donna D'Errico)
Frankie-Jean Mary Sixx is the only child from Nikki Sixx's marriage to *Baywatch* actress and model Donna D'Errico. She has developed a strong public presence through her art and business ventures.
4. Frankie-Jean Mary Sixx (Age 24 in 2025)
Frankie-Jean is known for blending her artistic talents with a strong academic background, making her a unique figure among the rock star's children.
- Born: 2001.
- Mother: Donna D'Errico.
- Career Focus: Artist, Entrepreneur, and Student. She is a successful entrepreneur who sells her own art through her website and social media, establishing a significant following as an Instagram star. Academically, she has pursued studies in psychology and sociology at the University of Oregon, demonstrating a spiritually driven and intellectual side.
The Rock Princess: Ruby Feranna Sixx (Courtney Sixx)
The arrival of Ruby Feranna Sixx marked a new, unexpected chapter in Nikki Sixx’s life. Born when the Mötley Crüe bassist was 60, she is the only child from his current marriage to blogger Courtney Sixx (née Bingham).
5. Ruby Feranna Sixx (Age 6 in 2025)
Ruby is the youngest and most recent addition to the family, bringing a fresh energy to the Sixx household and influencing her father's current priorities.
- Born: July 27, 2019.
- Mother: Courtney Sixx.
- Life Update: Despite her young age, Ruby is already a fixture in her father’s life and career. Nikki Sixx has mentioned intentionally reducing Mötley Crüe’s touring schedule to spend more time with his family and daughter. Ruby has even been seen joining her father on tour, proving that the rock and roll lifestyle can indeed be family-friendly in the modern era. Her middle name, Feranna, is a tribute to her father’s birth name, Frank Carlton Serafino Feranna, Jr.
Topical Authority: The Sixx Legacy and Modern Fatherhood
The collective lives of Nikki Sixx’s five children—Gunner, Storm, Decker, Frankie-Jean, and Ruby—offer a fascinating look at the evolution of a rock and roll family. While the original Mötley Crüe story, immortalized in the book *The Dirt*, was defined by chaos, the current chapter is marked by stability, creative pursuit, and intentional parenting.
Nikki Sixx has spoken openly about learning from his past and striving to be a present father, especially for his youngest daughter, Ruby. His decision to scale back on extensive touring reflects a profound shift in priorities, demonstrating that even a rock legend can find peace and purpose in domestic life. The older children, from musician Gunner to artist Frankie-Jean, are successful in their own right, proving that the Sixx name carries a legacy of creativity that extends far beyond the thunderous basslines of "Kickstart My Heart" or the dramatic stories of the Sunset Strip.
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