YOU SAID:

When your father's father is yourself.

INTO JAPANESE

お父さんのお父さんがご自分の時

BACK INTO ENGLISH

When your dad's dad was your father,

INTO JAPANESE

お父さんのお父さんがお父さんだった頃

BACK INTO ENGLISH

When your father was your father.

INTO JAPANESE

お父さんがお父さんだった頃

BACK INTO ENGLISH

When your father was your father.