Complex sentence: So Charles relented and granted the region of Flanders, called "pagus Flandrensis", to Judith and Baldwin, first as a'march county' or margraviate, and later as a simple county.
Split into simpler sentences: So Charles relented and granted the region of Flanders, called "pagus Flandrensis", to the two of them. At first as a'march county' or margraviate, later as simple county.