101073
His grandfather was maritime pilot Johan Martin Jacobsen ( 1850-1907 ) from Tjøme , son of blacksmith Jacob Andreas Knudsen ( 1819-1868 ) .
 Johan, Tjøme
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Johan, Tjøme