- Source: Johannetta of Sayn-Wittgenstein
- Johannetta of Sayn-Wittgenstein
- Johannetta, Countess of Sayn-Altenkirchen
- Johannetta of Sayn-Wittgenstein (1561–1622)
- Louis I, Count of Sayn-Wittgenstein
- Johann VI, Count of Nassau-Dillenburg
- John William III
- John George I, Duke of Saxe-Eisenach
- Princess Eleonore Erdmuthe of Saxe-Eisenach
- Ernestine of Sayn-Wittgenstein
- John George II, Duke of Saxe-Eisenach
Johannetta of Sayn-Wittgenstein may refer to:
Johannetta of Sayn-Wittgenstein (1561–1622)
Johannetta of Sayn-Wittgenstein (1632–1701)