Count Wilhelm IV of Eberstein was a member of the Swabian noble Eberstein family.
Background
His father, Bernhard III (1459–1526) was president of the Reichskammergericht from 1510 to 1520. His mother was Countess Kunigunde of Sonnenberg (1472–1538). Like his father, Wilhelm IV served as president of the Reichskammergericht.
He presided from 1546 to 1555.
Career
He had been unofficially promoting the Evangelical faith for some time. He expanded his Neu-Eberstein Castle significantly.
Membership
Philipp I (1523 – 11 September 1589 in Remlingen), member of the Imperial Council, Supreme Captain and Reeve in Upper Alsace, married to Johanna of Bailleul, Dame of Douxlieu (d 12 April 1565).