Simplify the following text for a Grade 6 native English-speaking person.
Original: He wrote two books , Narrative of the Life of Frederick Douglass and My Bondage and My Freedom . Douglass spent several years in England and Ireland .
Simplified: Douglass and Anna had five children : Rosetta Douglass , Lewis Henry Douglass , Frederick Douglass , Jr. , Charles Remond Douglass , and Annie Douglass ( died at the age of ten ) .