YOU SAID:

My neighbour ate my dogs sisters daughters dogs child

INTO JAPANESE

私の隣人は私の犬を食べました、姉妹、娘、犬、子供

BACK INTO ENGLISH

my neighbor ate my dog sister daughter dog kid

INTO JAPANESE

私の隣人は私の犬の妹の娘犬の子供を食べました

BACK INTO ENGLISH

My neighbor ate my dog's sister's daughter dog's child

INTO JAPANESE

私の隣人は私の犬の妹の娘犬の子供を食べました

BACK INTO ENGLISH

My neighbor ate my dog's sister's daughter dog's child