Egyptian forces hunting militants in the country's western desert mistakenly opened fire on several vehicles used by Mexican tourists, killing 12 people on Sunday.
Minister Claudia Ruiz Massieu insists that only two deaths have been confirmed.
The relatives of nine Mexicans will be escorted by the Minister of Foreign Affairs.
Mexican authorities have confirmed only two deaths.
His mother is one of the injured tourists, according to his sister.
Rafael Bejarano Rangel, an alternative healer and musician from Mexico, was mistakenly killed.
The tourists were in a restricted area and the army and police were chasing militants who were in SUVs similar to those used by the tourists.
He demanded an investigation to the Egyptian government.
The Ministry of Foreign Affairs said that they died in "circumstances that are not clarified yet."
Ten people were injured.