Gerhard VI of Jülich, Count of Berg and Ravensberg (c. 1325 – 18 May 1360) was the son of William V, Duke of Jülich and Joanna of Hainaut. Gerhard was betrothed in 1333 (renewed 1342) to Margaret of Guelders, daughter of Rainald II of Guelders and Sophia Betrout. However, this marriage was never consummated, likely due either to Rainald's death in 1343 or Margaret's death in 1344. Gerhard was subsequently married about 1344 to Margaret of Ravensberg, heiress of Berg and Ravensberg (died 13/19 February 1389), daughter of Otto IV, Count of Ravensberg and Margaret of Berg. Margaret's father Otto had no sons so at his death in 1328, the County of Ravensberg went to his brother Bernhard. However, when Bernhard died in 1346 without issue, Margaret became the heir of Ravensberg, her elder sister