YOU SAID:

She was going to her home while he was going to his.

INTO JAPANESE

彼女は彼が彼の家に行く間彼女の家に行くつもりだった。

BACK INTO ENGLISH

She was going to go to her house while he went to his house.

INTO JAPANESE

彼が彼の家に行く間、彼女は彼女の家に行くつもりだった。

BACK INTO ENGLISH

While he was going to his house, she was going to go to her house.

INTO JAPANESE

彼が彼の家に行く間、彼女は彼女の家に行くつもりだった。

BACK INTO ENGLISH

While he was going to his house, she was going to go to her house.