mnemosyne is the mother of all the Muses.
"The River and I"
John G. Neihardt
17, 'Ego, quem Pierio mater enixa est iugo, in quo tonanti sancta mnemosyne Iovi fecunda novies artium peperit chorum'; ibid.
"The Student's Companion to Latin Authors"
George Middleton Thomas R. Mills
The melancholy Apollo stood apart, and was soon carried off by Minerva to an assembly at the house of mnemosyne.
"Ixion In Heaven"
Benjamin Disraeli