Simplify the following text for a Grade 10 native English-speaking person.
Original: Mary Elizabeth Aitcheson Gore ( born August 19 , 1948 ) is an author , photographer , former `` Second Lady of the United States , '' and the wife of Al Gore .
Simplified: On May 19 , 1970 , she and Gore were married at the Washington National Cathedral . She has four children : Karenna Aitcheson Gore Schiff ( born on August 6 , 1973 ) , Kristin Carlson Gore ( born on June 5 , 1977 ) , Sarah LaFon Gore ( born on January 7 , 1979 ) , and Albert Gore III ( born on October 19 , 1982 ) .