Complex sentence: Bentinck was a township of Grey County, Ontario, Canada from 1850 to 2000, when it was amalgamated with other municipalities into the Township of West Grey.
Split into simpler sentences: Bentinck was a township of Grey County, Ontario, Canada from 1850 to 2000. In 2000 it ceased to formally exist as it was amalgamated with other municipalities into the Township of West Grey.