This man defeated Anne, Duke of Joyeuse at the Battle of Coutras and was assassinated by Francois Ravaillac. In one war, this man and his predecessor defeated the Catholic League led by the Duke of Guise. This monarch's religious policies were reversed by the Edict of Fontainebleau and he twice converted to (*) Catholicism. The assassination of Admiral Coligny prior to this monarch's betrothal to Margaret of Valois began the St. Bartholomew's Day Massacre. In addition to issuing the Edict of Nantes, this king declared that "Paris [was] well worth a mass." For 10 points, name the first of the Bourbon monarchs who also 
This man defeated Anne, Duke of Joyeuse at the Battle of Coutras and was assassinated by Francois Ravaillac. In one war, this man and his predecessor defeated the Catholic League led by the Duke of Guise. This monarch's religious policies were reversed by the Edict of Fontainebleau and he twice converted to (*) Catholicism. The assassination of Admiral Coligny prior to this monarch's betrothal to Margaret of Valois began the St. Bartholomew's Day Massacre. In addition to issuing the Edict of Nantes, this king declared that "Paris [was] well worth a mass." For 10 points, name the first of the Bourbon monarchs who also hailed from Navarre.
This man defeated Anne, Duke of Joyeuse at the Battle of Coutras and was assassinated by Francois Ravaillac.
{Henry IV} [accept {Henry of Navarre} before mentioned; prompt on "Henry" before end]