Complex sentence: As a result the estate and church were forfeited to the Crown and then granted to the Mordaunt family in 1690, whose name is linked with Charles Mordaunt, Earl of Peterborough.
Split into simpler sentences: As a result the estate and church were forfeited to the Crown. In 1690 they were granted to the Mordaunt family, whose name is linked with Charles Mordaunt, Earl of Peterborough.