Complex sentence: Miller, 44--45 Although nearly everyone, including Anne's father, urged the two not to marry, the couple married secretly, then went through an official marriage ceremony on 3 September 1660 in London.
Split into simpler sentences: Miller, 44--45 Although nearly everyone, including Anne's father, urged the two not to marry, they did so. The couple were married secretly, then went through an official marriage ceremony on 3 September 1660, in London.