Thankmar

  Notater:

Thankmar (or Tammo) (c. 908 - 28 July 938) was the eldest (and only) son of Henry I of Germany by his first wife, Hatheburg (or Liutgard). His mother had been previously married and widowed, after which she entered a convent. Because she left the convent to marry Henry, her second marriage was considered invalid and the couple split. Thankmar's legitimacy was, therefore, in question.