Complex sentence: His father was a notable lawyer and member of the family firm of Freshfields and his mother was the daughter of William Crawford MP for the City of London (1833--1841), who had made a fortune in the East India Company.
Split into simpler sentences: His father was a notable lawyer and member of the family firm of Freshfields. His mother was the daughter of William Crawford, MP for the City of London (1833--1841), who had made a fortune in the East India Company.