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History The construction of Port Grosvenor was initiated by Captain Sidney Turner , who in 1867 , with his father-in-law Walter Compton , had bought of undeveloped Crown Land on the Natal South Coast between Umkomaas and the present village of Clansthal .
 Port, Umkomaas
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Port, Umkomaas