Complex sentence: Swindon became part of the constituency of Cricklade in 1660, the constituency later being represented by lords of the manor, members of the Goddard family, and also Daniel Gooch of the Great Western Works.
Split into simpler sentences: Swindon became part of the constituency of Cricklade in 1660. A constituency that was represented by both the Lord's of the Manor, the Goddard family, and also Daniel Gooch of the Great Western Works.