"Caesar's wife"
Pompeia, Julius Caesar's second wife
Public DomainPompeia, Julius Caesar's second wife

This is a reference to the old saying, "Caesar's wife must be above suspicion."

Julius Caesar
Public DomainJulius Caesar
Caesar's wife, Pompeia, had not been unfaithful but had ended up in a situation where her fidelity could be questioned. Caesar divorced her as a result.