"Gysalbertus dux rectorque S. Traiectenses ecclesie" donated property "Gulisam…in pago [Ardunensi] in comitatu Everhardi" to Trier by charter dated 928, subscribed by "Walgeri comitis, Thiedrici comitis, Cristiani comitis, Folcoldi comitis".
Markgraf. The Chronicon Montis Serreni names "Cristiano marchione" as husband of "Hidda". "Otto…rex" granted property "in pago Nordthuringia in comitatu Thietmari in Magedeburg…in comitatu Geronis in Bigera…in comitatu Crhistiani in Grimhereslebu" for the foundation of Magdeburg by charter dated 21 Sep 937, and other property "in pago Nordthuringa in comitatu Cristiani in Grimersleba" by charter dated 11 Oct 937. Graf im Nordthüringau. "Otto…rex" granted property in "pago Seromunti in comitatu eiusdem Cristani" to "nostro marchioni…Cristan" by charter dated 1 May 945. "Otto…rex" donated property "inter Sclavos prope fluvium Fona…in pago Serimuntilante in comitatu Cristani comitis" to "nostri fidelis vassalli Fridurici filiis, Folcmaro…et Richberto" by charter dated 11 Jun 945. "Otto…rex" granted property "Hebesheim in pago Derlingum in comitatu Brunonis" to Moritzkirche, Magdeburg by undated charter, but dated to [951/57] as it names "coniugis nostræ Aelheidis…filii nostri Liudolfi", in the presence of "eiusdem Brunonis comitis filiique Liudolfi, Geronis marchionis, Cristiani comitis nec non Liutharii et Friderici comitum".
Thietmar records that "Count Christian" was buried at Magdeburg. Part of the same passage refers to 961 but it is not possible from the context to conclude that Christian certainly died in that year. 1