It is a mystery
She died on May 22, 1802.
Why did Martha Washington die inI think a high fever.
Martha Washington outlived all four of her children. Her two surviving children, John Parke Custis and Martha Parke Custis, passed away before her.
Martha Parke Custis Peter died in 1854.
George Washington Custis Lee died on 1913-02-18.
George Washington Parke Custis died in 1857.
John Parke Custis (Stepson of George Washington) died of "Camp Fever" during the American Revolution. George and Martha informally adopted two of his four children (George Washington Parke Custis and Nelly Custis). George Washington Parke Custis (George Washington's step-grandson) later built "Arlington House" that now overlooks Arlington National Cemetery. S. Ramirez (New York) 12/11/10
Daniel Parke Custis (October 15, 1711 - July 8, 1757) was Martha's her first husband. She was was 19 years old when she married him.
Vivian Dandridge died on October 26, 1991, in Seattle, Washington, USA of massive stroke.
Martha Dandridge was born in 1731 at Chestnut Grove Plantation. Her father, John Dandridge died in 1756. Her mother, Frances Jones, died in 1785.
Martha Washington died on May 22, 1802
Martha Washington died of a disease called 102 fever on May 22nd 1802 in Virginia.