120224
He was educated at Eton and Trinity College , Cambridge , and in 1877 , probably due to family connections or pressures ( his grandmother was a Thackeray and both the Ritchies and the Thackerays were old Anglo-Indian families ) , entered the India Office as a junior clerk .
 Eton, Trinity College , Cambridge, Thackeray
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Eton, Trinity College , Cambridge, Thackeray