Fresh 42+ Adam Sandler Youngest Daughter. Sunny sandler is the youngest of the sandler family tree who is already racing into the footsteps laid by her father, adam sandler. It's very weird to see your kid lock eyes with a boy while they're talking, adam sandler recalled of his older daughter sadie, who turns 13 next month. The actor and comedian appeared on the ellen degeneres show on friday and mentioned his eldest daughter, sadie, 12, will soon be an official teenager.