Simplify the following text for a Grade 8 native English-speaking person.
Original: Among Appin 's free settlers was one Andrew Hamilton Hume , father of the explorer Hamilton Hume .
Simplified: One of the first settlers was John Hume , whose son Hamilton Hume became a famous Australian explorer . Hamilton Hume explored the local area and was given a grant of 300 acres of land at Appin as a reward .