Complex sentence: Chamberlain was born in a house called Southbourne, in the Edgbaston district of Birmingham, England, as the only son of the second marriage of Joseph Chamberlain, who later became Mayor of Birmingham, and who also served as a Cabinet minister.
Split into simpler sentences: Chamberlain was born in a house called Southbourne, in the Edgbaston district of Birmingham, England. He was the only son of the second marriage of Joseph Chamberlain, who later became Mayor of Birmingham, and who also served as a Cabinet minister.