go to your reward

go to (one's) reward

To die. I was very sorry to hear that your grandfather went to his reward last night.
See also: reward

go to your reward

die.
This euphemisistic expression is based on the idea that people receive their just deserts after death.
See also: reward
References in classic literature ?
Suffer us to be gladdened by your triumphant aspect as you go to your reward.