His father Ebrahim Etessami was the head of finance of the Iranian province of Azerbaijan; and his brother Yussef Etessami was the founder of the Bahar journal, and the father of the poet Parvin Etessami.
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In addition to architecture projects, Abolhassan Etessami left a series of oil on canvas paintings including Some ruins in Dowlat-Abad, A village home in Niavaran, and Pasteur's intercession for Napoleon, and some novels including The left alone man and The malicious Mohil-o-doleh.