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b. at Hadar , in the Aflaj region of central Arabia , ca. 1652 , son of Shaikh Jabir bin Salman bin Ahmad , by his wife , Shaikha Mariam bint Faisal al-Utabi , daughter of Shaikh Faisal al-Utabi , ancestor of the Al-Khalifa family of Bahrain .
 Arabia, Shaikh, bin, bin Ahmad, Shaikh, Bahrain
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Arabia, Shaikh, bin, bin Ahmad, Shaikh, Bahrain