Complex sentence: Henry Longueville Mansel (October 6,1820-July 1,1871), English philosopher, was born at Cosgrove, Northamptonshire (where his father, also Henry Longueville Mansel, fourth son of General John Mansel, was rector).
Split into simpler sentences: Henry Longueville Mansel (October 6,1820-July 1,1871) was an English philosopher. He was born at Cosgrove, Northamptonshire (where his father, also Henry Longueville Mansel, fourth son of General John Mansel, was rector).