THIEMO [I] [Dietmar] (-7 Mar [1050]). Wegener refers to Graf Berthold, son of Graf Ulrich, transferring his bondsman Rihgart on his deathbed into the hands of his son Graf Tiemo by charter dated [1000/05][423]. Graf von Schweinachgau. Graf in Reichenhall. Graf im Salzburggau 1007.
THIEMO [I] [Dietmar], son of Graf BERTHOLD & his wife --- (-7 Mar [1050]). Wegener refers to Graf Berthold, son of Graf Ulrich, transferring his bondsman Rihgart on his deathbed into the hands of his son Graf Tiemo by charter dated [1000/05][435]. According to the 14th century Genealogia comitum Neuburgensium sive Formbacensium, "Udalricus senex comes genuit sex filios Arnoldum, Piligrimum, Brunonem, Tyemonem, Chounradum clericum Salzburgensem prepositum, Meginhardum"[436], but this appears to be inaccurate. The Vita Wirntonis names "Eckebertus comes, avo suo Thymone"[437]. "Heinricus…rex" restored property "villam Flinsbach dictam in pago Sueinihgouui sitam et in comitatu Tiemonis comitis" to Kloster Niederaltach by charter dated 5 Nov 1005[438]. Graf im Schweinachgau. "Heinricus…rex" granted market and customs rights at "villa Helmgerisperk…in comitatu Thiemonis" to Kloster Niederaltach by charter dated 7 Jun 1009[439]. Graf in Reichenhall. Graf im Salzburggau 1007. "Chunigundæ imperatricis augustæ" donated property to the church of Freising by charter dated 1025, witnessed by "…Tiemo comes…Heinrih filius Tiemonis comitis…"[440]. "Heinricus…Romanorum imperator augustus" confirmed market and customs rights "in villa Helmgerisberk…in comitatu Theimonis" to Kloster Niedaltaich by charter dated 19 Feb 1049[441]. Wegener refers to an exchange of property between Thiemo grandfather of Oudalrich von Windeperge and Egilbert Bishop of Passau dated [1045/50][442]. The necrology of the Niedermünster at Regensburg records the death "Non Mar" of "Diemar com"[443].
m ---. The name of Thiemo's wife is not known.
Graf Thiemo [I] & his wife had eight children