The Spanish football team will be received later by King Juan Carlos after arriving back in Madrid, fresh from their triumph at Euro 2012.
Tens of thousands of people are expected to pack the streets of the Spanish capital to watch as the victorious side ride through the city in an open top bus.
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Matalan said: "It is with great sadness we can confirm...both victims worked at our Cardiff branch."
Police believe a tree currently growing near the farmhouse where the 21-month-old toddler was last seen in 1991 was not there at the time.
The 21-year-old was using a portable toilet in Sydney when he was bitten near to the same area as in a previous incident in April.