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September 12, 2026Short & citedBlog
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People File • Philanthropist

Diane Disney Miller

Diane Disney Miller was an American philanthropist, arts patron, and the eldest daughter and only biological child of Walt Disney and Lillian Disney.

Updated September 12, 20261 min readCited sources

Diane Disney Miller was an American philanthropist and the only biological child of Walt Disney. She dedicated much of her life to preserving her father's legacy through cultural institutions and philanthropy.

What it is

Diane Disney Miller was the eldest daughter and only biological child of Walt Disney and Lillian Disney. She co-founded the Walt Disney Family Museum, served as president of the Walt Disney Family Foundation, and supported the Walt Disney Concert Hall in Los Angeles. She also co-founded Silverado Vineyards with her husband, Ron Miller.

Why it matters

Miller's work shaped how Walt Disney's life and achievements are presented to the public. She helped ensure his legacy was documented accurately and accessibly, and her philanthropy extended to classical music and the arts, including major support for the Walt Disney Concert Hall.

Key details

Born in Los Angeles in 1933, Miller married Ron Miller in 1954 and had seven children. She died in Napa, California, in 2013 at age 79. Her efforts included founding the Walt Disney Family Museum and leading the family foundation's board.

In short

  • Only biological child of Walt Disney
  • Co-founded the Walt Disney Family Museum
  • Supported the Walt Disney Concert Hall
  • Had seven children with husband Ron Miller

Quick questions

Who is Diane Disney Miller?
She was the eldest daughter and only biological child of Walt Disney, and a philanthropist and arts patron.
What did Diane Disney Miller do?
She co-founded the Walt Disney Family Museum, led the Walt Disney Family Foundation board, and supported the Walt Disney Concert Hall.
How many children did Diane Disney Miller have?
She had seven children with her husband, Ron Miller.

Sources

  1. Walt Disney Family Museum — https://www.waltdisney.org/about/diane-disney-miller
    Supports: Biography, philanthropy, family, museum co-founding, arts patronage, seven children
  2. The Walt Disney Company — https://thewaltdisneycompany.com/remembering-diane-disney-miller/
    Supports: Relation to Walt Disney, museum role, concert hall role, family details
  3. Wikipedia — https://en.wikipedia.org/wiki/Diane_Disney_Miller
    Supports: Birth and death dates, age at death, family relations, children count
  4. Los Angeles Times — https://www.latimes.com/local/obituaries/la-me-diane-disney-miller-20131120-story.html
    Supports: Death at age 79, obituary details, family relation
  5. The Guardian — https://www.theguardian.com/film/2013/nov/20/diane-disney-miller
    Supports: Obituary details, age at death, family and legacy