It is permissible for you to perform Hajj on their behalf, if you have previously performed Hajj or you may nominate someone else to perform Hajj for them by proxy, provided that this person has performed Hajj for himself.
According to the narration of
in his Sunan on the authority of
`Abdullah ibn `Abbas (may Allah be pleased with them) that the Prophet (peace be upon him):
heard a man saying, Labbayk (always ready to obey) on behalf of
Shubrumah He asked: Who is
Shubrumah? He replied: A brother or relative of mine. He asked: Have you performed hajj on your own behalf? He said: 'No'. He said: Perform hajj on your own behalf, and then perform it on behalf of
Also narrated by
'This is an authentic Isnad (chain of narrators) (Part No. 11; Page No. 54) and nothing in this regard is more authentic.'May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.