Meanings of antecedent history in английском

We have already had a glimpse of Sir Henry's antecedent history.

This is the antecedent history of Byng's trial and execution.

Robert silenced him with this question, for there was a woman in Percy's antecedent history.

We present three patients with lung nodules with an antecedent history of primary cutaneous melanoma or metastasis of melanoma to extrathoracic lymph nodes.

I shall, however, review the early and antecedent history of the institution with as much brevity as a distinct understanding of the subject will admit.