You could say David's dog - meaning the dog belonging to David If you wanted to write David has a dog you couldn't write "David's a dog" - that would mean he IS a dog.
She and David (subject) went to school. The teachers taught her and David, or David and her (object), to read. A compound subject can never have "her" as the pronoun. TIP: It's really much easier to...
David won Michal's hand in marriage when he fulfilled King Saul's challenge to kill 100 Philistines all by himself. Michal was King Saul's daughter. King Saul hated David because he was jealous of...