Basic Information
| Field | Detail |
|---|---|
| Full Name | Decker Nilsson Sixx |
| Date of Birth | May 23, 1995 |
| Place of Birth | Los Angeles, California, USA |
| Age | 30 (as of September 2025) |
| Height | Approx. 6 ft (183 cm) |
| Build | Lean, athletic |
| Education | University of Southern California, B.S. Business Administration (Class of 2020; ceremony held 2021) |
| Occupation | Real estate and construction management professional; Estimator |
| Current Employer/Location | Ryan Companies, San Diego, California |
| Notable For | Second son of Nikki Sixx and Brandi Brandt; private, steady career trajectory |
| Marital Status | Married to Sommer Sixx (July 18, 2025) |
| Children | None publicly reported |
| Parents | Nikki Sixx; Brandi Brandt |
| Siblings | Gunner Nicholas Sixx (1991), Storm Brieanne Sixx (1994), Frankie-Jean Mary Sixx (2001, half-sister) |
| Residences | California and Arizona |
| Interests | Surfing, outdoor adventures, travel, real estate investing |
| Estimated Net Worth | $500,000–$1,000,000 |
Origins: A Childhood Between Spotlight and Shoreline
Born into the long shadow of rock history, Decker Nilsson Sixx took a different stage. His early life unfolded in Los Angeles, where the oxygen was thick with guitars and tabloids, yet his path curved toward salt air and spreadsheets. His parents’ marriage ended in the mid-1990s—reported as late 1995 and understood to be finalized around 1996—leaving him primarily in his mother’s care while maintaining a close bond with his father. That duality—high-profile lineage, low-profile upbringing—became his compass.
He grew tall and lean, a surfer’s outline etched by dawn sessions and weekend road trips. The beach functioned as a counterpoint to the stadium, an antidote to spectacle. Friends and family describe him as steady, grounded, and allergic to unnecessary noise. Where others chased the spotlight, he learned to chase deadlines and clean lines on a jobsite plan set.
The Family Map: Bonds, Branches, and Blended Roots
The Sixx family, legally Feranna on Nikki’s side, is a constellation where each star shines at a different wattage. Decker occupies an orbit defined by loyalty and discretion—close to siblings, respectful of each parent’s journey, and appreciative of the family’s resilience after public upheavals.
- Nikki Sixx (Father): Born December 11, 1958, a co-founder, bassist, and principal songwriter of Mötley Crüe, now decades into sobriety and creative reinvention. He’s been vocal about fatherhood’s stabilizing force and routinely marks milestones with his children.
- Brandi Brandt (Mother): Born November 3, 1966, a former model and actress who anchored her children’s day-to-day life after the split, prioritizing privacy and routine over noise.
- Gunner Nicholas Sixx (Brother): Born January 25, 1991, musician/producer, understated and collaborative; the brothers share easy camaraderie and a love for the ocean.
- Storm Brieanne Sixx (Sister): Born April 14, 1994, model and creative, with advocacy work shaped by family lessons and empathy; often photographed alongside Decker on outdoorsy outings.
- Frankie-Jean Mary Sixx (Half-Sister): Born July 31, 2001, actress-in-the-making and social personality; Decker’s affectionate big-brother energy shows in public birthday notes and family snapshots.
- Sommer Sixx (Wife): Married July 18, 2025, a private partner who shares Decker’s taste for travel, understated gatherings, and the joy of building a life away from glare.
Family, for Decker, is less a headline and more a harbor—reunion trips, shared meals, and the occasional celebratory photo, then back to work.
Family Snapshot
| Name | Relation | Birthdate | Notes |
|---|---|---|---|
| Nikki Sixx | Father | Dec 11, 1958 | Mötley Crüe co-founder; credits family with supporting his sobriety and balance |
| Brandi Brandt | Mother | Nov 3, 1966 | Former model/actress; shielded the children from tabloid churn post-divorce |
| Gunner Sixx | Brother | Jan 25, 1991 | Musician/producer; low profile, shares outdoor and surf interests |
| Storm Sixx | Sister | Apr 14, 1994 | Model/creative; mental-health advocacy and fashion collaborations |
| Frankie-Jean Sixx | Half-sister | Jul 31, 2001 | Aspiring actress and social personality |
| Sommer Sixx | Wife | 1990s (private) | Married Jul 18, 2025; travel and nature enthusiast |
Education and Career: From USC Classrooms to Commercial Job Sites
Decker took an academic route built on discipline. He completed a B.S. in Business Administration at the University of Southern California, part of the Class of 2020, with graduation formalities pushed into 2021 due to pandemic delays. Real estate development and construction management caught his eye—an arena where timelines, budgets, and physical results outweigh hype.
An early stop in luxury resort development in Turks and Caicos sharpened his interest in buildable vision: what it means to translate an idea into concrete, glass, and utility tie-ins. He later settled into an Estimator role with a major commercial builder in San Diego, working on preconstruction budgets, utility coordination, and municipal interfacing. It’s meticulous work—spreadsheet precision meets street-level pragmatism.
- Core skills: cost modeling, vendor and subcontractor coordination, entitlement awareness, and schedule alignment
- Responsibilities: early-phase pricing, value engineering, utility and permitting timing, and risk identification
- Compensation bracket: approximately $80,000–$100,000 annually for his role and market
- Side interests: Arizona property investments aimed at stable cash flow and long-term appreciation
He’s earned recognition for reliability and teamwork rather than awards—applause that lands in inboxes, not on red carpets. A few family photoshoots and entrepreneurial dabbling aside, his brand is consistency.
Milestones Timeline
| Year/Date | Event |
|---|---|
| 1989 | Parents marry during the apex of a platinum-era rock cycle |
| May 23, 1995 | Decker Nilsson Sixx is born in Los Angeles |
| Late 1995–1996 | Parents’ divorce spans this period; Decker raised primarily by his mother |
| July 31, 2001 | Half-sister Frankie-Jean is born |
| 2018 | Occasional family posts note his low-profile path as he advances toward graduation |
| 2020 | Completes USC degree requirements (formal ceremony in 2021) |
| 2021 | Formal graduation; early work includes resort development in the Caribbean |
| 2021–2025 | Moves into commercial estimating and preconstruction in San Diego |
| July 18, 2025 | Marries Sommer in an intimate California ceremony |
| July–Aug 2025 | Brief flurry of public congratulations; returns to a deliberately quiet routine |
Public Presence: A Quiet Signal in a Loud World
Unlike many second-generation names, Decker keeps social channels private and sparing. Family photos appear in brief bursts—beach days, mountain trips, wedding flowers—then recede. Media notes cropped up around his July 2025 wedding, and a handful of profiles sketched the outline of his life: a disciplined professional with famous blood and modest habits. The cycle is predictable and intentional—share, celebrate, step back.
Personality and Interests: Saltwater, Trail Dust, and Spreadsheets
Surfing, travel, and outdoor time provide cadence. Mornings can start in neoprene, evenings at a laptop fine-tuning a cost breakdown. Those who know him describe a balanced temperament with a bias for action. He prefers to build—teams, budgets, relationships—rather than broadcast. The metaphor fits: while others chase the headliner’s glare, he’s engineered the lighting rig.
Finances and Footprint: Earned Edges with Family Safety Nets
Estimates place Decker’s net worth in the $500,000–$1 million range, a blend of salary, conservative investments, and long-horizon property plays in Arizona. Family wealth exists in the background, but his day-to-day life is anchored in paychecks, deadlines, and project closeouts. It’s a straightforward calculus: live within means, invest steadily, compound quietly.
A Rock Dynasty, Reimagined
The extended Feranna-Sixx story is famously dramatic—tour buses, memoirs, reinventions. Decker’s chapter adds contrast. He demonstrates that legacy can be a foundation, not a script. He’s mapped a sober, deliberate trajectory: honor the past, protect the present, methodically build the future. In the end, he measures his life in schedules met, bonds strengthened, and miles of coastline remembered.
FAQ
Who is Decker Nilsson Sixx?
He’s a real estate and construction management professional and the second son of Nikki Sixx and Brandi Brandt.
What does he do for a living?
He works as an Estimator in commercial construction, focusing on preconstruction budgets, utilities, and municipal coordination.
Is he involved in music like his father?
No; he chose a corporate path centered on development and real estate.
When and where was he born?
He was born on May 23, 1995, in Los Angeles, California.
Is Decker married?
Yes, he married Sommer Sixx on July 18, 2025.
Does he have children?
No children have been publicly announced.
Where does he live?
He splits his time between California and Arizona.
What did he study?
Business Administration at the University of Southern California, with a focus on real estate development.
How tall is he?
He’s approximately 6 feet tall.
What are his hobbies?
Surfing, outdoor travel, and hands-on real estate investing.
