Robin Williams is mourning the loss of his vintner brother Robert, who co-starred with the funnyman in Mrs. Doubtfire. Robert Williams, who founded California's Toad Hollow Vineyards, died from heart failure on August 14. He was 69.

The winemaker played a bartender in little brother Robin's comedy "Mrs. Doubtfire."

-Robin Williams Pictures

(This news article provided by World Entertainment News Network)