Well, I suppose the starting point for all the Frankish kingdoms are the Salic laws. The Salic law was a legal codex which Clovis and his successors built up in the course of history. It contains, as one of its most notorious provisions, the fact that women cannot inherit anything.
The problem is of course that this was not rigidly enforced, but followed in the semi-salic way: this means that women can only inherit if there are no men (including brothers, nephews, uncles, cousins etc) eligible for inheritance. Unfortunately, this does not exist in CKII; so I suppose this can only be reflected in rulers having agnatic succesion, but changing their succession law to agnatic-cognatic once the family "runs out".
I am pretty certain that this law applies to:
-France
-Germany
-Frisia
-Bavaria
-Lotharingia
-Bohemia
...and all the duchies and counties in them.
Some examples of rulers whose daughters did not inherit within those de jure kingdoms:
-Regarding France, the causus belli for the 100 years war is well known - suffice to say that it unequivocally decided that the succession in France really was agnatic rather than agnatic-cognatic.
-In Bohemia, the best example after the permanent adoption of primogeniture in 1198 would be Charles IV., who ruled from 1346 and up until 1361 only had a daughter (Catherine), no son. Only in 1361 a son was born to him, Wenceslas. Before that, it was utterly clear that his heir was not his daughter but his brother, John Henry of Moravia. A source that says that as late as 1361 Charles' heir was his brother (and his brother's sons), not his daughter, can be found here, at the bottom of the page:
http://books.google.co.uk/books?id=...epage&q=john henry heir of charles iv&f=false
-Henry III, landgrave of Hesse (
http://de.wikipedia.org/wiki/Heinrich_III._(Hessen) ) only had daughters, so his titles passed to his cousin. I quote the German Wikipedia page as the English one incorrectly states that he had no legitimate issue.
- Rudolf II, duke of Saxony (
http://en.wikipedia.org/wiki/Rudolf_II,_Duke_of_Saxe-Wittenberg ) had daughters but no sons, and his title passed to his brother Wenceslas.
- Lotharingia is an interesting case. Antoine de Vaudemont (
http://en.wikipedia.org/wiki/Antoine,_Count_of_Vaudémont ) fully expected to inherit his cousin's duchy, but it was usurped by his cousin's son-in-law, who was backed by France. In CKII terms, you could probably say that in the last minute, Charles II of Lorraine switched from agnatic to agnatic-cognatic.
- There is also a switcheroo case in Holland. William I (
http://en.wikipedia.org/wiki/William_I,_Count_of_Holland ) inherited Holland from his brother, but only after a bitter struggle against his niece (his brother's only daughter) Ada, who had the power of Loon behind her through her husband.
- Rudolf Hesso of Baden (
http://en.wikipedia.org/wiki/Rudolf_Hesso,_Margrave_of_Baden-Baden ) died with only daughters; his county went to a cousin of his.
All of this makes a pretty good case for agnatic succession in those kingdoms; some switching of crown laws may have been about a bit later, but this seemed to have been out of the ordinary, bitterly contested, and was only ever likely to succeed if huge forces (like the Emperor and the French king) backed up that decision. I could find more examples, but I think this may do to back up my request
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