many Theobalds go by Dewalt. I am related to Ulrich Bieber, hans Dietrich Bieber, Dewalt Bieber, another Dewalt Bieber, Dewalt Theobald Bieber and then Johann Dewalt Theobald Bieber. He went by John imagine me finding this Dewalt and Theobalds. other peole call the Dewalts Theobald. finally Issac Levan Bieber. i triying to get down the ladder from there but no one has my Bieber which my family chanced to Beaver and at the end Biever. My grandmother. All girls and that how they did it. nuts. I think I have a Catherina was also just Catherine is some places. I would check this family I believe I saw one. Hope it helps.