The Muses were the daughters of Jupiter and Mnemosyne (Memory).
They presided over song, and prompted the memory. They were nine
in number, to each of whom was assigned the presidence over some
particular department of literature, art, or science. Calliope was
the muse of epic poetry, Clio of history, Euterpe of lyric poetry,
Melpomene of tragedy, Terpsichore of choral dance and song, Erato
of love poetry, Polyhymnia of sacred poetry, Urania of astronomy,
Thalia of comedy.

The Graces were goddesses presiding over the banquet, the dance,
and all social enjoyments and elegant arts. They were three in
number. Their names were Euphrosyne, Aglaia, and Thalia.

Spenser describes the office of the Graces thus:

"These three on men all gracious gifts bestow
Which deck the body or adorn the mind,
To make them lovely or well-favored show;
As comely carriage, entertainment kind,
Sweet semblance, friendly offices that bind,
And all the complements of courtesy;
They teach us how to each degree and kind
We should ourselves demean, to low, to high,
To friends, to foes; which skill men call Civility."

The Fates were also three--Clotho, Lachesis, and Atropos. Their
office was to spin the thread of human destiny, and they were
armed with shears, with which they cut it off when they pleased.
They were the daughters of Themis (Law), who sits by Jove on his