Yes Wolfgang I think that Bluchers castle is wrong and that the version copied above with Burgos castle is historically more correct.

Another interesting thing from that version of the older of the versions it mentions Foyers as being a "brave halberdier", I have also heard it sung as "brave grenadier". If the former is correct it would have made young Jamie Foyers a sergeant escorting the colours as they were armed (in some Scottish Regiments) with Halberts (a short pike like weapon with an axe head).

It is a great song, always love hearing it.