Question: Who is Richard Of Lincoln (Illegitimate Son Of Henry I Of England)'s paternal grandfather?
Sentence (from "Richard of Lincoln (illegitimate son of Henry I of England)"): His last known military adventure was at the Battle of Brémule on 20 August 1119, for which the decisive win by the English led to Louis’ accepting Richard’s half-brother William Adelin as Duke of Normandy.
Relevant evidence: No