Lothar I (c. 902–929), Count of Walbeck, of unknown parentage.
Lothar was the great-grandfather of Thietmar of Merseburg, and is frequently confused in genealogical sources with Thietmar's other great-grandfather of the same name who was Count of Stade.
Thietmar describes his great-grandfathers (called Liuthar in his Chronicon), as “distinguished men, the best of warriors, of illustrious lineage, and the honour and solace of the homeland.”[1] Lothar's wife's name is also unknown.
They had one child - Lothar II the Old, Count of Walbeck.
Upon his death, Lothar was succeeded as Count of Walbeck by his son and namesake.