Where does “Ulyanov” come from?
Ulyanov (English) comes from Russian Улья́нов, from Russian Ульян, from Latin Iulianus, from Latin Iūlius, from Latin iuppiter, from Proto-Italic djous patēr, from Proto-Italic *djous, from Proto-Indo-European dyḗws — to be bright; sky, heaven.
Ancestry of “Ulyanov”, step by step