Complex sentence: Educated at La Martiniere for boys Lucknow and in England, he was appointed heir to his father's titles in 1873, and succeeded as head of the family upon his father's abdication seven years later, when the title of Nawab of Bengal was abolished.
Split into simpler sentences: Educated at La Martiniere College in Lucknow and in England, he was appointed heir to his father's titles in 1873. He succeeded as the head of the family upon his father's abdication seven years later, when the title of Nawab of Bengal was abolished.