F
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- Falquiline of Bigorre, Countess of Bigorre
- Felicitas of Beichlingen, Countess of Beichlingen
- Fiorenza Crispo (d. before 1483), Lady of Santorini, 1479-1480
- Fiorenza Sanudo, Duchess of Naxos, 1361-13783
- Francesca Acciajuoli, Duchess of Athens, 1394–1395
- Françoise of Alençon (d.1550), Lady of Beaumount-au-Maine, 1525-1550
- Françoise of Amboise, Lady of Amboise, 1469-1485
- Françoise of Châtillon, Viscountess of Limoges, 1456–1481
- Françoise of Dinan (1436-99), Lady of Chateaubriantis
- Françoise de Lorraine (1592–1669), Countess of Penthièvre, 1602–1608, Duchess of Penthièvre, 1608–1669, Duchess of Mercœur, 1602-1649 (Resigned), Princess of Martigues
- Françoise of Penthièvre (1440–1481), Lady of Avesnes & Viscountess of Limoges & Lomagne, 1455–1481, Countess of Périgord
- Françoise of Périgord (d.1481), Countess of Périgord
- Françoise of Rohan (d.1591), Duchess of Loudon.
Read more about this topic: List Of Female Rulers And Title Holders