38465
In the first scene , a marriage is celebrated between Marguerite of Valois , sister to Charles IX , and Henry of Navarre , king of Navarre , future Henry IV of France .
 Marguerite of Valois, IX, Henry IV of France
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Marguerite of Valois, IX, Henry IV of France