Complex sentence: One window was designed by Frederick Preedy, a renowned Victorian church architects; he was born in 1820 at Offenham, near Evesham, and worked in Worcester before moving to London.
Split into simpler sentences: One window was designed by Frederick Preedy, one of the most renowned of Victorian church architects. He was born in 1820 at Offenham, near Evesham, and worked in Worcester before moving to London.