Complex sentence: In 1868 he married Georgiana Marcia Maclean in London, the daughter of Sir Charles Fitzroy Maclean, 9th Baronet of Morvaren (1798-1883).
Split into simpler sentences: In 1868 he married Georgiana Marcia Maclean in London. She was the daughter of Sir Charles Fitzroy Maclean, 9th Baronet of Morvaren (1798-1883).