Simplify the following text for a Grade 4 native English-speaking person.
Original: Reputed as the first catholic resident of the district , it is recorded that nearby Rochester was named after J.P. Rowe as he owned land on the Campaspe river ( Ebsworth p. 489 ) .
Simplified: It is recorded that the the nearby town of Rochester was named after J.P. Rowe , as he owned land on the Campaspe River .