YOU SAID:
my ex is friends with my other ex's best friend
INTO JAPANESE
私の元は私の他の元の親友と友達です
BACK INTO ENGLISH
My ex is friends with my other ex best friends
INTO JAPANESE
元親友たち
BACK INTO ENGLISH
My ex-best friends.
INTO JAPANESE
元親友たち
BACK INTO ENGLISH
My ex-best friends.
That didn't even make that much sense in English.