If his family offer an udhiyah on his behalf whilst he is on Hajj, does he have to offer another udhiyah?

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Ruling on slaughtering a cow with the intention of offering the udhiyah and the ‘aqeeqah on behalf of a son and a daughter
If they have shares in a sacrifice, is it essential for each one to eat some of his sacrifice?

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Related Answers:
Did the Prophet (blessings and peace of Allah be upon him) always choose a castrated animal for the udhiyah?
The sacrifice was injured before it was slaughtered.
Is it permissible to give meat from the udhiyah to a non-Muslim neighbour?
Ruling on slaughtering a cow with the intention of offering the udhiyah and the ‘aqeeqah on behalf of a son and a daughter
If they have shares in a sacrifice, is it essential for each one to eat some of his sacrifice?

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