270752
His parents ' names are not known , but his mother was a sister of the Swedish court painter David Klöcker Ehrenstrahl .
 Klöcker Ehrenstrahl
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Klöcker Ehrenstrahl