Complex sentence: Sir Richard Sackville ("d." 1566) under-treasurer of the exchequer, chancellor of the court of augmentations, Escheator of Surrey and Sussex in 1541--2.
Split into simpler sentences: Sir Richard Sackville ("d." 1566) was an English administrator. He was under-treasurer of the exchequer, chancellor of the court of augmentations, Escheator of Surrey and Sussex in 1541--2.