Donkey milk even exist). In addition, the flavour and appearance of donkey milk have been found to be attractive to children. Equid (donkey and horse) milk can be considered a suitable substrate for probiotic beverage production. The use of fermented equid milk is an ancient tradition in central Asia, like koumiss or airag, a fermented mares milk very popular in Asia and Russia; but there are also traditional variants made from donkey milk. In Mongolia, where koumiss is the national drink, people have a saying that ‘kumys cures 40 diseases’. It is said that Cleopatra, Queen of Ancient Egypt, took baths in
Cleopatra Selene of Syria their domains. The Ptolemaic rulers of Egypt were the closest relatives of the Seleucids and their legitimate successors; Cleopatra VII of Egypt used the name of Cleopatra Selene for her daughter Cleopatra Selene of Mauretania, born 40 BC; this can be viewed in the context of Cleopatra VII's attempts to claim the Seleucid succession rights in the East. Cleopatra Selene possibly bore Ptolemy X his son Ptolemy XI but her maternity can not be confirmed; Cleopatra IV might have been the mother instead, but this is also an assumption and the identity of Ptolemy XI's mother remains a mystery. Identifying