Complex sentence: William Abell (c.1584, d. in or after 1655) was an English vintner who became master of the Vintners' Company, and politician who became an alderman and later sheriff of London.
Split into simpler sentences: William Abell (c.1584, d. in or after 1655) was an English vintner who became master of the Vintners' Company. As a politician he was an alderman and later sheriff of London.