A Question About Mixed Marriages

Dear Editor: Would you please give light on the following questions? Is it showing love of parents, brothers and sisters, to attend the wedding of a son or a daughter who after several admonitions marries away from the Protestant Reformed Churches into an Arminian, not even a so-called Reformed Church? Is it sin for the party that marries away? And is it loving brother or sister above God for the ones that congratulate such a party after the ceremony? signed N. N. ANSWER: The Editor...