Claim: Wilderich von Walderdorff, a member of the Walderdorff family, first studied in Würzburg, Speyer and the Collegium Germanicum in Rome and was Vicar-General of Mainz from 1647 to 1669.
Evidence: He was a member of the Walderdorff family; the son of Johann Peter von Walderdorff (1575–1635) and his wife Maria Magdalena Greiffenklau zu Vollrads (1595–1678), sister of the Archbishop of Mainz, Georg Friedrich von Greiffenclau zu Vollrads. The young nobleman first studied in Würzburg, Speyer and the Collegium Germanicum in Rome, was not ordained a priest until 1659 and soon became a canon in Würzburg, Speyer and Mainz. From 1647 to 1669, Walderdorff was Vicar-General of Mainz, from 1650 dean, later also cathedral provost in the Diocese of Speyer.