| Person | Duke Alan Iii Of Brittany |
|---|---|
| Description | While besieging a rebel castle near Vimoutiers in Normandy, Alan III suddenly died. |
| Date | 01 Oct 1040 |
| Description | Page | Quality | Information | Evidence |
|---|---|---|---|---|
https://en.wikipedia.org/wiki/Alan_III,_Duke_of_Brittany |
Don't know | Don't know | Don't know |