| Date | Short Summary | Role | Witnesses | Source |
|---|---|---|---|---|
| 20 May 1248 | Concession to enter Bad Doberan monastery two or three times a year | named person (transaction) | 2/143/88 (Theiner, no. 135) |
| Date | Short Summary | Role | Source |
|---|---|---|---|
| 20 May 1248 | Husband (maritus) of Unknown, sister of Alexander II (Familial relationship) | subject (relationship) | 2/143/88 (Theiner, no. 135) |