that's helpful to understand the background on the tree.
Its good to get helpful responses of collaboration when we bring the topic to the G2G. Back in 2015, when I was a "WikiTree beginner" I had communicated privately with Kathy who was manager on the profile, about this concern.
This isn't a matter of policy, its just recognizing errors. that is part of my collaborating. Profile managers can leave the birth date discrepancy and error, and not a lot of harm. just means a generation level is off
My positve part of it is to alert you to the Burke lack of accuracy. Has been talked about here before. The other Burke, Bernard almost had things correct.
“ (citing Camden) ancient family of the Curwens descended from Gospatric, Earl, (Dunbar-27) who took that name by covenant from Culwen, a family of Galloway, the heir whereof they had married
Patrick Culwen, Lord of Culwen, in Galloway, by gift of his father, Thomas, son of Gospatric (of Gunillda-Orm), was ancestor of the great family Curwen.
Burke left Alan out of his commentary entirely but his history is correct. and that is what is in the line from Gunnilda.
Unfortunately daughters are really ignored by most of the primary charters, although Gunnilda does appear because of the gifts from her brother Waltheof.