Complex sentence: Betrothal was formalised by a contract regulating such matters as the transfer of property and provision for the wife and children should the husband die; voiding the contract required a divorce document freeing the girl to remarry.
Split into simpler sentences: Betrothal was formalised by a contract regulating such matters as the transfer of property and provision for the wife and children should the husband die. Voiding the contract required a divorce document freeing the girl to remarry.