Exodus 21:15 in the King James Version
And he that smiteth his father, or his mother, shall be surely put to death.
Context
14 If a man schemes and comes presumptuously on his neighbor to kill him, you shall take him from my altar, that he may die.
15 “Anyone who attacks his father or his mother shall be surely put to death.
16 “Anyone who kidnaps someone and sells him, or if he is found in his hand, he shall surely be put to death.