Samantha Mary Roosevelt Nash (January 1, 1940-July 20, 2014) was the oldest daughter of the Timothy-Elizabeth marriage. She was the first child and daughter of Elizabeth Mary Alexandria and the 14th child of Timothy Max Roosevelt.

She was born in Canberra in 1940 during World War II, she intermarried into the Nash Aristocracy in the United States and then with Joseph Allan Nash, she had four children. Joseph II, Mario, Maria, and Jessica. Once the four children grew up, Joseph II entered the corporate world, Mario and Jessica entered and engaged themselves in the adult film industry, and Maria became a paid volunteer for the United States Democratic Party for the State of New York. Maria volunteered for Governor Andrew Coumo during his successful reelection bid in 2014 and again in 2018.

Samantha Roosevelt passed away on July 20, 2014, at the age of 74 of heart failure in her home on the morning of 7:30 AM in Greenport Village, Suffolk County, New York. She was buried with her husband in a private Greenport cemetery.