From Natalie's obit in 1991. It appears she had two sons and four daughters and her mother was still alive at the time of her death.
One of the daughters lives in London, England.
Husband: George H. Hill
Mother of:
Son - Wrentham, Massachusetts
Son - Atlanta, Georgia
Daughter - Oakland, California
Daughter - London, England
Daughter - Newark, Delaware
Daughter - Denver, Colorado
Daughter of Esther W. (Douglas) and the late Nils V. "Swede" Nelson of Winthrop, MA
The obit also mentions a grandson & granddaughter in London, England.