YOU SAID:

This cat is the kitten of the cat here, this kitten.

INTO JAPANESE

この猫は、猫はここでは、この子猫の子猫です。

BACK INTO ENGLISH

This cat is a cat is this kitten here.

INTO JAPANESE

この猫は、猫はここでこの子猫です。

BACK INTO ENGLISH

This cat is a cat is this kitten here.