Simplify the following text for a Grade 6 native English-speaking person.
Original: Martha Dandridge Custis Washington ( June 2 , 1731 -- May 22 , 1802 ) was the wife of George Washington , the first president of the United States .
Simplified: Martha Dandridge Custis Washington ( June 2 , 1731 -- May 22 , 1802 ) was the wife of George Washington . George Washington was the first president of the United States .