He had a good relationship to Enea Silvio Bartolomeo Piccolomini (later pope Pius II), their correspondence from the years 1445–1447 has been preserved.
Ia memiliki hubungan baik dengan Enea Silvio Bartolomeo Piccolomini (kelak menjadi Paus Pius II); surat-surat mereka tahun 1445-1447 telah dimuseumkan.