Watch Family Tree for Free: How to Stream the Movie Online at 123Movies. . When Frédérick, the patriarch of the Alsatian Muller family, is conspicuously absent from his son Charles' funeral, Frédérick's surviving son and his granddaughter, raw from their loss, await an explanation. Once revealed, Frédérick's reasons and the painful secret Charles harbored for years threaten the foundations of the entire family.