adjuvantibus et vobis in oratione pro nobis: ut ex multorum personis, ejus quæ in nobis est donationis, per multos gratiæ agantur pro nobis.
You helping withal in prayer for us. That for this gift obtained for us, by the means of many persons, thanks may be given by many in our behalf.
Adiuva et ad vos in oratione pro nos: ut ex multo personas, de illo que in nos es de donatione, per multo gratias age pro nos.