YOU SAID:
Brett is only loyal to the parsons family.
INTO JAPANESE
ブレットはパーソンズの家族に忠実なだけです。
BACK INTO ENGLISH
Only Brett was faithful to the Parsons family.
INTO JAPANESE
ブレットだけは、パーソンズの家族に忠実だった。
BACK INTO ENGLISH
Only Brett was faithful to the Parsons family.
That didn't even make that much sense in English.