Simplify the following text for a Grade 8 native English-speaking person.
Original: The origin of the name of Caulfield is not known for certain , but the name seemed to be linked with Baron Caulfeild of Ireland , perhaps through John Caulfield , a pioneer of the colony .
Simplified: It is not known why the area was called Caulfield , but it is probably linked with Baron Caulfeild of Ireland . John Caulfield was an early settler in the colony of Victoria .