Simplify the following text for a Grade 8 native English-speaking person.
Original: Charles of Egmond ( 9 November 1467 â `` June 30 1538 ) was the Duke of Guelders , an influential Dutch nobleman of the late 15th and early 16th century .
Simplified: Charles of Egmond ( 9 November 1467 in Grave , North Brabant â `` 30 June 1538 ) was Duke of Guelders , Count of Zutphen between 1492 and his death .