Sayn-Wittgenstein-Vallendar was a County of the Holy Roman Empire. It was created as a partition of Sayn-Wittgenstein-Wittgenstein, and was inherited by Sayn-Wittgenstein-Hohenstein in 1775.https://sayn.de/familiengeschichte/
Counts of Sayn-Wittgenstein-Vallendar (1657–1775)
Friedrich Wilhelm (1657–1685|85) Johann Friedrich (1685–1718) Franz Friedrich Hugo (1718–1769) Johann Wilhelm (1718–1775)
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