Lodewijk van VLAANDEREN van NEVERS, graaf van Nevers, geboren ca 1273, overleden op 26‑08‑1346. Genealogie Comtes de Flandres. pg 13 internt.
Louis de Flandre ( -Paris 24 jul 1322) The Joannis de Thilrode Chronicum names : Robertus primogentuis Guydionis Ludovicus filius.. He succeeded his mother in 1280 as comte de Nevers. He succeeded in 1290 as Comte de Rethel, by right of his wife. He was opposed to all concessions to France. Philippe IV king of France confiscated Nevers and Rethel, and Louis was Jailed in 1311. He escaped and took refuge in Imperial Flanders. He allied 1315 but his army was stopped by torrential rains. ( Dec 1290 ) x Jeanne ctas de Rethel, daughter and heiress of Hugues IV comte de Rethel x his wife Isabelle de Grandpré. (-1325). Louis & his wife had two children.
 
Cartulaire des artevelde pg 188 voetnoot
Le comte de Flandre, Louis de Nevers avait appelé trois de ses bâtards, Tristan, Perceval et Lancelot, de ces noms romantiques. Zoon van Robrecht van VLAANDEREN van BETHUNE (' de Leeuw van Vlaanderen ') (zie 11446) en Yolande van NEVERS de BOURGOGNE (zie 11454).
Gehuwd (1) met NATUREL (zie 11829).
Gehuwd (2) met Johanna van RETHEL (zie 11830).
Gehuwd (3) met CONCUBINE (zie 11832).