Younger daughter of King Saul and David's first wife, who loved him and helped him escape her father's assassins by lowering him through a window. Saul later gave her to another man; David reclaimed her. She despised David for dancing before the ark and died childless.
Wherefore David arose and went, he and his men, and slew of the Philistines two hundred men; and David brought their foreskins, and they gave them in full tale to the king, that he might be the king’s son in law. And Saul gave him Michal his daughter to wife.1 Samuel 18:27, KJV
1 Samuel 19:12
So Michal let David down through a window: and he went, and fled, and escaped.1 Samuel 19:12, KJV
2 Samuel 6:16
And as the ark of the LORD came into the city of David, Michal Saul’s daughter looked through a window, and saw king David leaping and dancing before the LORD; and she despised him in her heart.2 Samuel 6:16, KJV
2 Samuel 6:23
Therefore Michal the daughter of Saul had no child unto the day of her death.2 Samuel 6:23, KJV
See how Michal connects to every other figure in Scripture.