Is it possible to send someone else to do Hajj on behalf of the deceased instead of his son?

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Check below answers in case you are looking for other related questions:
Conditions of Hajj being obligatory
A boy died and had not done Hajj; can Hajj be done on his behalf?

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Conditions of Hajj being obligatory
A boy died and had not done Hajj; can Hajj be done on his behalf?

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