Otho I

UK: /ˈəʊθəʊ/

Collins Concise English Dictionary © HarperCollins Publishers::

Otho I / ˈəʊθəʊ/ noun

1. same as Otto I

WordReference Random House Unabridged Dictionary of American English © 2025

Otto I, 

1. Ancient History, Biographical ("the Great'')a.d. 912–973, king of the Germans 936–973;
   emperor of the Holy Roman Empire 962–973.

Collins Concise English Dictionary © HarperCollins Publishers::

Otto I / ˈɒtəʊ/, Otho I noun

1. called the Great. 912–73 ad, king of Germany (936–73); Holy Roman Emperor (962–73)