Question: Who is the paternal grandfather of Dobroniega Ludgarda Of Poland?
Sentence (from "Bolesław III Wrymouth"): After her death, Bolesław married to a German noblewoman, Salomea of Berg, which in some way was the cause of changes in Polish foreign policy: in the second half of his rule, the Prince sought to restore diplomatic relations with his western neighbor.
Relevant evidence: No