6354
Some of the flowers in the three-volume series appear to be based on drawings by Nicolas Robert and her stepfather Jacob Marrel .
 person: Nicolas Robert; person: Jacob Marrel
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Nicolas Robert; person: Jacob Marrel