October 9, 2025 - I came home [recently] and it was very clear that the cleaning lady had been there just minutes before I arrived.” Zac and Dylan also have a younger sister named Olivia and a younger brother named Henry.

October 16, 2025 - Dylan Efron is the younger brother of 'High School Musical' actor Zac Efron. Here's everything you should know about the duo's family, including their two younger siblings Henry and Olivia.

October 14, 2025 - Zac Efron has three younger siblings: Dylan Efron, Olivia Efron and Henry Efron. Here’s everything to know about Zac Efron’s siblings.

March 24, 2025 - Zac Efron grew up with his younger brother, Dylan, and the two always share a deep bond. But Dylan is not his only sibling. Just a few years ago, Zac’s father had a daughter from his second wedding, whom he called Olivia.

November 18, 2025 - Zac Efron and his brother, Dylan Efron, have a tight bond with their parents, Starla and David. Here's everything to know about Zac and Dylan Efron's parents.

September 15, 2025 - Zachary David Alexander Efron was born on October 18, 1987, and grew up in Arroyo Grande, California. His father, David Efron, is an electrical engineer at Diablo Canyon Power Plant, and his mother, Starla Baskett, is an administrative assistant who also works at Diablo Canyon.

September 17, 2023 - They’re so sweet and I love seeing their relationship, but Zac is high profile and undoubtedly has some crazy stalkers. It can get really scary and sometimes they start to prey on celebrities’ family members. These two are especially vulnerable being so little. I feel like I’ve read about someone’s siblings being stalked or worse and now I can’t remember who it was…

March 18, 2025 - Zac Efron has documented his close connection to his family, which includes brother Dylan and sister Olivia — see the photos

1 month ago - The former Disney star and award-winning actor is the eldest of four children, including brother Dylan Efron and two half-siblings

October 31, 2025 - Zac Efron's family includes supportive parents, brother Dylan, and two paternal half-siblings.

December 13, 2023 - Who are Zac Efron's siblings? Here's everything you need to know about the actor's brother, Dylan Efron, and half-siblings, Olivia and Henry Efron.

October 14, 2025 - Zac Efron is the eldest of his three siblings: Dylan Efron, Olivia Efron and Henry Efron

June 5, 2024 - Zac is an older brother to three siblings, including his brother Dylan and two younger half-siblings, Olivia and Henry

October 15, 2025 - Zac Efron may be one of Hollywood’s ... keep him grounded. The High School Musical star has a younger brother, Dylan, and two much younger half-siblings, Olivia and Henry Efron, from his father’s later relationship....

March 7, 2025 - Get to know Zac Efron’s brother, Dylan Efron. Zac and Dylan, who are four years apart in age, have a close sibling bond.

January 9, 2025 - He really became that older brother, and that's when I would say we grew closer than ever. Our relationship was something that developed more as we both became adults and stopped fighting so much."Courtesy of Dylan Efron/Instagram

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Here’s a heartfelt image of Zac Efron standing alongside his parents, Starla Baskett and David Efron, and his brother Dylan—a rare look into the family that helped shape him.

November 19, 2025 - Zac and Dylan’s parents divorced in 2016. The entire Efron family has made it to the ballroom! During the November 18 episode of Dancing With the Stars, Dylan Efron‘s older brother, Zac Efron, made his first appearance of the season to show his support.