Adolf I, Count of Waldeck
Adolf I (died 3 October 1270) founded the County and House of Waldeck. A younger son of Count Henry I of Waldeck-Schwalenberg, he was a cleric until his uncle Hermann I left him Waldeck in 1224; after ruling jointly with his brother Volkwin IV, he took the Eder lands in the 1228 partition.
He secured Korbach and backed the anti-king William of Holland against the Hohenstaufen. His son Henry predeceased him, so his grandson Adolf II succeeded.