Messinger is well-known as a philanthropist and is a major donor to conservation and environmental organizations. Her Alida R. Messinger Charitable Trust also funds conservation and environmental groups, as does the Rockefeller Family Fund, founded in 1967, of which she is a trustee.
She was previously married to former U.S Senator Mark Dayton (D-MN); they have since divorced. They had two children together, both sons. In addition, she has a daughter with her current husband William Messinger.
Johann Peter Rockefeller (1682–1763) (Arrived in America ca.1723) • (Grandson) William Rockefeller • Godfrey Rockefeller (1745–1818) • Godfrey Lewis Rockefeller (1784–1857) • William Avery Rockefeller
John Rockefeller Prentice (1902–1972)
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John D. Rockefeller III (1906–1978)
Nelson Aldrich Rockefeller (1908–1979)
Laurance Spelman Rockefeller (1910–2004)
Winthrop Rockefeller (1912–1973)
David Rockefeller (1915)
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Faith Rockefeller Model (1909–1960)