YOU SAID:

my friend told me and my other friends including my cat that her mums dads dogs sister has a big tower

INTO JAPANESE

私の友達は私と私の猫を含む他の友達に、彼女のお母さん、お父さん、犬の妹には大きな塔があると言いました。

BACK INTO ENGLISH

My friend told me and other friends including my cat that her mom, dad and dog sister have a big tower.

INTO JAPANESE

私の友人は私や猫を含む他の友人たちに、彼女のお母さん、お父さん、犬の妹には大きな塔があると話していました。

BACK INTO ENGLISH

A friend of mine was telling me and other friends, including a cat, that her mom, dad, and dog sister had a big tower.

INTO JAPANESE

私の友人は、私や猫を含む他の友人たちに、彼女のお母さん、お父さん、そして犬の妹が大きな塔を持っていると話していました。

BACK INTO ENGLISH

A friend of mine was telling me and other friends, including a cat, that her mom, dad, and dog sister had a big tower.