Doug Franco, the father of actor James Franco (Robert "Franco" Frank), passed away suddenly last week. He was 63.

The cause of death was not immediately made available.

"It is true that my sweet, generous husband passed away," Betsy Franco posted on her Twitter account. "He gave so much to his three sons and me, and to many other people, too."

Doug Franco had a Harvard MBA and was a Silicon Valley Entrepreneur,

In addition to his wife, Betsy, and son, James, Franco is survived by two other sons, Dave and Tom.