<P> I, ____, take you, ____, to be my wife (or husband), to have and to hold from this day forward, for better, for worse, for richer, for poorer, in sickness and in health, to love and to cherish, till death us do part, according to God's holy law, and this is my solemn vow . </P> <P> Version B is identical except for the clause "to love and to cherish" where the groom says "to love, cherish, and worship" and the bride says "to love, cherish, and obey". </P> <P> Since 2000 the service in Common Worship the normal vows are as follows: </P> <P> I, N, take you, N, to be my wife (or husband), to have and to hold from this day forward, for better, for worse, for richer, for poorer, in sickness and in health, to love and to cherish, till death us do part, according to God's holy law, in the presence of God I make this vow . </P>

Where does till death do us part come from