Since the dawn of movie-making, Hollywood has seen a number of talented dynasties: the Coppolas, the Barrymores, the Fondas. In some cases, as with sisters Olivia de Havilland and Joan Fontaine—the only pair of siblings to win lead acting Oscars—sibling rivalry hung like a dark cloud over family bonds. Other Hollywood siblings have utilized their relationship towards more constructive ends, like the Coen Brothers, who share Oscars for Fargo and No Country for Old Men. And at this Sunday’s Oscars, a Best Actor win for Casey Affleck would add him and older brother Ben, who has two little gold men already, to the esteemed list. With the ceremony fast approaching, TIME looks back at the famous—and not-so-famous—Academy Award-winning siblings.

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