I don't see the problem though???
Just like kill him. Use magic to make it seem like he got in his carriage and then IDK CSI a crime scene to make it look like bandits or whatnot.
Also I've heard about proposing to your lover at someone else's wedding but this is the first time I've heard of proposing to the bride at their wedding











Everyone is simping over her and I'm here like
"YOU THINK YOU ARE WORTHY ENOUGH TO EVEN BREATHE THE SAME AIR AS HER YOU CRETINS? SUFFER FOR YOUR ARROGANCE"