Her mother, Rosheen "Ray" Marcus (née Brofman, formerly Shapiro), would reportedly later claim it was British-Jewish actor Leslie Howard, who was killed during WWII.

Two years later he learned that his wife had hidden the existence of another daughter, Elinor, who had been left in a foster home when they married.

[2][3] Grace claimed to be the inspiration for the Holly Golightly character in Truman Capote's novella Breakfast at Tiffany's.

[4] Her Broadway credits include Once There Was a Russian (1961), The Cold Wind and the Warm (1958), The Square Root of Wonderful (1957), Will Success Spoil Rock Hunter?

[3][2][6] In 1955, Random House published[7] her novella based on her experiences as a foster child, The Secret in the Daisy.