YOU SAID:
My only friend sat the time was my younger brother Kayden and my cousin tyson
INTO JAPANESE
私の一人の友人は私の弟のケイデンと私のいとこのタイソンだった
BACK INTO ENGLISH
One of my friends was my brother Kayden and my cousin Tyson
INTO JAPANESE
私の友人の一人は私の兄弟のKaydenと私のいとこのTysonでした
BACK INTO ENGLISH
One of my friends was my brother Kayden and my cousin Tyson
That didn't even make that much sense in English.