Complex sentence: John Blackwell (1797--19 May 1841), who used the bardic name Alun, was a Welsh language poet, born near Mold, Flintshire, in north Wales.
Split into simpler sentences: John Blackwell (1797--19 May 1841), who used the bardic name Alun, was a Welsh language poet. He born near Mold, Flintshire, in north Wales.