Jean de Toucy, Lord of Toucy, Lord of Saint-Fargeau, was born 1208 in Toucy to Itier IV de Toucy (c1160-1218) and Béatrix de Rion and died February 1250 Battle of Al Mansurah of battle wounds. He married Emma de Laval (1200-1264) 1231 JL .
Children
| Name | Birth | Death | Joined with |
| Jeanne de Toucy (1231-1305) | 1231 Toucy | 1305 | Thiébaut II de Bar (c1221-1291) |
Footnotes (including sources)
| ‡ General |