Arthur Lithgow has three children. He and his first wife Jill Clayburgh had two children: a son, Ian Lithgow, and a daughter, Phoebe Lithgow. After his divorce from Clayburgh, Lithgow married Blythe Danner in 1981, and they had one child together, a daughter, Greta Lithgow.
The Artistry of Arthur Lithgow: A Theatrical Journey through the Life of a Legend