| Birth* | Guillaume Langlois was born circa 1580 at St Léonard des Parcs, Alencon, Sées, Normandie, France. |
| Christening | He was christened circa 1580 at St Léonard des Parcs, Alencon, Sées, Normandie, France. |
| Marriage* | He married Jeanne Millet circa 1600 at St Léonard de Parcs, Alencon, Sées, Normandie, France. |
| Marriage License | Guillaume Langlois and Jeanne Millet obtained a marriage license. |
| Engagement | Guillaume Langlois and Jeanne Millet were engaged. |
| Death* | Guillaume Langlois died before 25 July 1634 at St Léonard des Parcs, Alencon, Sées, Normandie, France. |
| Burial* | He was buried before 25 July 1634 at St Léonard des Parcs, Alencon, Sées, Normandie, France. |
