YOU SAID:
He wanted to buy a house by the river so he went to the bank
INTO JAPANESE
彼は川沿いの家を買いたかったので、彼は銀行に行きました
BACK INTO ENGLISH
He wanted to buy a riverside house so he went to the bank
INTO JAPANESE
彼は川沿いの家を買いたかったので、彼は銀行に行きました
BACK INTO ENGLISH
He wanted to buy a riverside house so he went to the bank
That didn't even make that much sense in English.