. "1553" . "William Courtenay, ''de jure'' 5th Earl of Devon, 1st Baronet" . . . "William Courtenay" . . . . "Sir William Courtenay, 1st Baronet" . "'''1st Baronet of
Powderham Castle'''
''de jure''
'''5th Earl of Devon'''" . . "Walter Courtenay" . . "Sir William Courtenay" . . "Sir William Courtenay, 1st Baronet" . . . . . "William
'''1st Baronet'''" . . . . . . . . . . . "Sir William Courtenay, Bt" . . "William Courtenay, de jure 5th Earl of Devon" . "William VI Courtenay" . . . "William" . . "1628" . . . . . .