Simplify the following text for a Grade 3 native English-speaking person.
Original: Victor Hugo was devastated when his oldest and favorite daughter , LÃ opoldine , died at age 19 in 1843 , shortly after her marriage .
Simplified: The death of his oldest and favorite daughter , LÃ opoldine , made Hugo very sad . She died at the age of 19 , in 1843 .