Robin Williams' Son Shares Emotional Update on What Would've Been His Dad's 74th Birthday originally appeared on Parade. Zak Williams, the eldest child of Robin Williams, shared a touching post in his father's honor on what would have been his 74th birthday.

For me, grief isn’t linear,” writes the younger Williams. “It loops and echoes. It softens, then crescendos. But alongside it lives a legacy, the kind built not from fame or recognition, but from generosity and relentless kindness.