Benjamin Cheever
Benjamin Hale Cheever( born October 8, 1948) is an American writer and editor.
He is the son of Mary Winternitz and writer John Cheever and brother of Susan Cheever.
To date, he has written four adult fiction novels, one children's book, and two nonfiction books.
Cendrine Wolf
Cendrine Wolf( born 1969 in Colmar) is a French children's writer, known for co-writing the" Oksa Pollock" series with Anne Plichota.
In 2012 the two announced that they would be collaborating on a new series centering on the character of Susan Hopper.
Susan Moody
Susan Moody (born 1940 in Oxford) is the principal "nom de plume" of Susan Elizabeth Horwood, an English novelist best known for her suspense novels.
After marrying Professor John Dalgleish Donaldson in 2001, she became the stepmother of his four children, including Crown Princess Mary of Denmark.
May Stocking Knaggs
May Stocking Knaggs( 1847–1915) was an American suffragist, a friend of Susan B. Anthony.
She was inducted into the Michigan Women's Hall of Fame
Alexine Clement Jackson
Alexine Clement Jackson( born 1936) was the Chair, Board of Directors of Susan G. Komen and former National President of the Young Women's Christian Association( YWCA).
She is the immediate past president of Black Women's Agenda and former Chair, the National Museum of Women in the Arts.
Susan Foley
Susan Kathleen Foley( born 3 March 1949) is an Australian historian who specialises in French history, particularly in relation to French gender history, feminism and socialism.
From 1992 to 2000, she published under her married name of Susan K. Grogan.
Susan Marshall (choreographer)
Susan Marshall( born October 17, 1958) is an American choreographer and the Artistic Director of Susan Marshall& Company.
She has held the position of Director of the Program in Dance at Princeton University since 2009.
John Dalgleish Donaldson
John Dalgleish Donaldson (born 5 September 1941) is a Scottish-Australian professor and the father of Mary, Crown Princess of Denmark, the wife of the heir apparent to the throne of Denmark, Frederik, Crown Prince of Denmark.
Rosemary DiCarlo
Rosemary Anne DiCarlo( born 1947) is an American diplomat who has served as United Nations Under- Secretary- General for Political and Peacebuilding Affairs since May 2018.
She previously served as acting United States Ambassador to the United Nations following the resignation of Susan Rice to become the National Security Advisor.
Tina Benkiser
Tina Renee Johns Benkiser( born February 7, 1963) is an attorney who formerly resided in Houston, Texas, and was from 2003 to 2009 the state chairman of the Republican Party of Texas.
She became chairman on the resignation of Susan Weddington.

Question: Who is Susan Moody's stepchild?
Answer: Mary, Crown Princess of Denmark