Gray Gustafson is Greta's niece. The daughter of Sven Alfred Gustafson, Greta's brother. Gray is Greta's sole heir. She is married to Dr.Donald Reisfield. The children of Gray and Donald Reisfield are: Scott G. Reisfield, Lian Gray Reisfield, Craig Reisfield and Derek R. Reisfield. They had five grandchildren in 1999. The Reisfield's live in New Jersey/USA.