Scandal in the Family (1975)

Milo is desperate for a share of the flourishing family business. Having failed to impress his uncle with his business acumen he then tries to impress his aunt by making love to her. She falls madly in love with him until she finds him in bed with his daughter. Milo is quickly sent away with a check. The uncle tries to outdo Milo and dies from overdoing it, leaving Milo with the money, the business and three women to please him every night.imdb