Children and Grandchildren:
John and Mary had three children: Juliet Mayon Mills, Hayley Catherine Rose Vivien Mills, and Jonathan Mills.
Juliet married Russell Edward Alquist, Jr., an American songwriter, on October 14, 1961. They divorced in 1964. They have one son, Sean, born in 1964. Divorce date unknown. Sean Alquist is a writer, director and producer. He has a daughter, Cheyanne.Michael Miklenda was Juliet's second husband. They divorced in 1980. They have one daughter, Melissa, born in 1979. Melissa Caulfield Tuchman is an actress.
On December 2, 1980, Juliet married Maxwell Caulfield. They are still together and reside in Sherman Oaks, California.
Hayley was married from 1971 to 1976 to Ray Boulting. Their marriage ended in divorce. They have one son, Crispian Mills who is a pop singer.Hayley has another son, Jason "Ace" Lawson, from her relationship with actor Leigh Lawson in the late 1970s.

