Complex sentence: He oversaw the passing in the Tynwald of the Act of Settlement 1704 that provided tenants with rights to sell and pass on their land, subject only to continued fixed rents and alienation fees.
Split into simpler sentences: He oversaw the passing in the Tynwald of the Act of Settlement 1704. This act provided tenants with rights to sell and pass on their land, subject only to continued fixed rents and alienation fees.