His residence in Kobikicho was a portion of the former residence of Okitsugu TANUMA, which spawned a folklore that Michinobu and Okitsugu met through each other's postern, and Okitsugu always held his private consultations in Michinobu's residence.
木挽町の屋敷は田沼意次の旧邸を分与されたものであり、ここから典信と意次は互いに裏門から往来し、意次の密議はつねに典信の屋敷で計られたという伝承が生まれた。