If you don't know the language (assuming it isn't English), then you'll never truly reconnect with your roots. At best, you'll have an orientalist (or orientalist equivalent if you aren't Asian) understanding of your heritage as seen through the eyes of Anglophones.
The only real path towards reconnecting with your roots is:
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(Re)learn the language.
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Talk to people in that language.
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Consume social media in that language.
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Read blogs and articles is that language.
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Read books in that language.
Them's the breaks.