Complex sentence: Sylvester H. Roper (Francestown, New Hampshire 1823--June 1,1896 Cambridge, Massachusetts) was an inventor from Roxbury, Boston, Massachusetts, whose steam velocipede may have been the first motorcycle.
Split into simpler sentences: Sylvester H. Roper (Francestown, New Hampshire 1823--June 1,1896 Cambridge, Massachusetts) was an inventor from Roxbury, Boston, Massachusetts. His Roper steam velocipede may have been the first motorcycle.