Complex sentence: Mengistu's father Haile Mariam Wolde was very proud of his son's achievements, though some people believe the Ethiopian popular account that states that his family was far from proud of his political accomplishments.
Split into simpler sentences: Mengistu's father Haile Mariam Wolde was very proud of his son's achievements. Though some people believe that Ethiopian popular legend states that his family was far from proud of his political accomplishments.