Geoffrey de Geneville, 1st Baron Geneville also known as Geoffrey de Joinville and Geoffroi de Joinville, was an Anglo-French noble, supporter of Henry III, who appointed him Baron of Trim, County Meath, and, subsequently, a staunch supporter of Edward I.

Simon of Joinville was a French knight, who became the Lord of Joinville from 1204 until his death in 1233. He was also the hereditary seneschal of the County of Champagne.