Robin Williams' son Zak shared more praise for his father.
Zak is Robin's son with first wife Valerie Velardi, and he has two half siblings, Zelda and Cody Williams.
Zak also mentioned how his famous father raised money and awareness for the Challenged Athletes Foundation, the Christopher & Dana Reeve Foundation, and St.
Jude's Children's Hospital.
"As a family, we feel it's a natural way to honor his legacy," Zak said.
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