YOU SAID:
like if my mom is my dads sons grandmas daughter
INTO JAPANESE
私のお母さんが私のお父さん、息子、おばあちゃんの娘のように
BACK INTO ENGLISH
My mom is like my dad, son, grandma's daughter
INTO JAPANESE
私のお母さんは私のお父さん、息子、おばあちゃんの娘のようなものです
BACK INTO ENGLISH
My mom is like my dad, son, grandma's daughter
That didn't even make that much sense in English.