Simplify the following text for a Grade 6 native English-speaking person.
Original: Lincoln eventually gave this copy to his other personal secretary , John Hay , whose descendants donated both it and the Nicolay Copy to the Library of Congress in 1916 .
Simplified: Lincoln later gave this copy to his other secretary , John Hay . Hay 's descendants gave it and the Nicolay Copy to the Library of Congress in 1916 .