Biography Son of Simon of Joinville and , and brother of Geoffrey de Geneville, Jean belonged to a noble family from Champagne. He received an education befitting a young noble at the court of Theobald IV of Champagne, including reading, writing, and Latin. On the death of his father in 1233, he became lord of Joinville and seneschal of Champagne (and was therefore personally connected to Theobald IV). He was a very pious man and was concerned with the proper administration of the region.
Biography Son of Simon of Joinville and , and b:rother of Geoffrey de Geneville, Jean belonged to a noble family from Ch.ampagne. He received an education befitting a young noble at the court of Theobald IV of Champagne, including reading, writing, and Latin. O.n the death of his father in 1233, he became lord of Joinville and seneschal of Champagne .(and was therefore persona:lly connected to Theobald IV). He was a very pious man and was concerned with the proper administration of the region.