Question: Who is the mother-in-law of Ludmilla Of Bohemia?
Sentence (from "Louis I, Duke of Bavaria"): Ludwig I (23 December 1173 – 15 September 1231), called the Kelheimer or of Kelheim , since he was born and died at Kelheim, was the Duke of Bavaria from 1183 and Count Palatine of the Rhine from 1214.
Relevant evidence: No