ご冥福をお祈りします。
We pray that his soul may rest in peace.
幸運を祈るよ。
I wish you every happiness (and prosperity).
I hope that you are very well.
ご多幸を祈って.
with best wishes=with every good wish
I wish you every happiness.
I wish for your great happiness.
May you be very happy!
I pray from the bottom of my heart that his soul may rest in peace.
幸運を祈っていて。
I wish you luck.
With best wishes.
I pray for your happiness.
I will pray for your happiness.
I wish you every happiness.
May you succeed!