Which preposition to use with thaddeus

of Occurrences 14%

This is too much the case with "Thaddeus of Warsaw," and ten thousand others.

before Occurrences 1%

Amy agreed, and they were in the heart of the sentimental romance, finding it more interesting than most modern readers, for the girl had an improved Thaddeus before her, and the Pole a fairer, kinder Mary Beaufort.

Which preposition to use with  thaddeus