Complex sentence: Frederick Charles Cass (1824-1896) was the rector of the parish of Monken Hadley in north London and the author of works of local history relating to South Mimms, Monken Hadley and East Barnet.
Split into simpler sentences: Frederick Charles Cass (1824-1896) was the rector of the parish of Monken Hadley in north London. He was the author of works of local history relating to South Mimms, Monken Hadley and East Barnet.