(CNN)James Redford, an activist, filmmaker and philanthropist, has died, a rep for his father, actor and director Robert Redford, confirmed to CNN Tuesday.

The younger Redford was 58.

"The grief is immeasurable with the loss of a child. Jamie was a loving son, husband and father," a statement provided to CNN from Robert Redford's publicist Cindi Berger read. "His legacy lives on through his children, art, filmmaking and devoted passion to conservation and the environment. Robert Redford is mourning with his family during this difficult time and asks for privacy."