Troubadour

Troubadours are female mounted units who use staves, although they originally could wield swords as well. They are akin to a mounted version of Clerics or Priests, and as such are treated as cavalry. They originally promoted to Paladin in Seisen no Keifu and Thracia 776, but as of Fūin no Tsurugi, they promote to Valkyrie. In Fire Emblem: The Sacred Stones, they can also promote to Mage Knight.

Seisen no Keifu/Thracia 776

 * Ethlin - Siglud's sister and Cuan's wife, the mother of Leaf and Altenna.
 * Nanna - The princess of Nodion, daughter of Rackesis, and sister of Delmud.
 * Janne - A girl from Augustria and Fin's adoptive daughter, Nanna's replacement if Rackesis dies child-less.

Fūin no Tsurugi

 * Clarine - A young girl who was captured by Marquess Laus. She is the daughter of Pent and Louise, as Klein is their son.

Rekka no Ken

 * Priscilla - A troubadour born to the Cornwell clan of Ostia, who was being escorted by Erk.

Sacred Stones

 * L'Arachel - The princess of Rausten and niece of the Divine Emperor, Mansel.

Kakusei

 * Mariabel - Liz's best friend, member of Krom's vigilante force, and the child with a influential noble family in Iris.

Trivia
In medieval times, troubadours were poet-musicians who recited ancient tales. However, the term "troubadour" refers to a male, while female poet-musicians were called trobairitz.