彼は出生地は確かにイタリアだと誓った。

tbd

He said under oath that he was born in Italy.

He said under oath that his birthplace was Italy.

彼は私に彼の年齢、出生地、彼の家族のことなどを話してくれた。

tbd

He told me his age, his birthplace, his family, and so on.