161071
He is credited with sixteen landscape etchings made , apparently , at Randenbroek , the country estate of artist and architect Jacob van Campen near Amersfoort .
 Jacob van Campen, Amersfoort
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jacob van Campen, Amersfoort