With the one-year anniversary of Robin Williamsdeath rapidly approaching, his family is determined to keep his memory alive.

Which is why on July 21, what would’ve been the actor’s 64th birthday, they hosted a private dinner with family and friends to celebrate his life.

“We try to focus on the joyful moments and memories,” Robin’s son Zak Williams, 32, admits to People, adding that they’re still grieving. “We’re moving through the process of healing and recovering.”

READ MORE: Robin Williams’ Wife Susan Schneider Isolated Him From His Children in the Year Before His Death (REPORT)

robin williams kids

Robin’s kids, Cody, 23, Zelda, 25, and Zak throw the first pitch in the 2014 World Series in honor of their father.

The Mrs. Doubtfire star tragically passed away from suicide on August 11, 2014 — and was diagnosed with an early stage of Parkinson’s disease shortly before his death. He leaves behind his three children and wife, Susan Schneider, 50.

robin williams and wife

Robin and his wife, Susan, in April 2012.