Two
At least two
David had many wives Michal, Bathsheba were a few of them.
4
King David and Bathsheba were the parents of Solomon, who later became king when his father David died.
Bathsheba and King David's first child died shortly after birth as a judgment against King David for his sin in killing Bathsheba's husband Uriah. Her second child by King David was Solomon.
David and Bathsheba
The first son of David and Bathsheba is not named in The Bible ,it died but the second son was Solomon.
Yes, David was king when he took Bathsheba, so Saul had already died.
The consequences of king David committing adultery with Bathsheba , was the child died soon.
Bathsheba
bathsheba