Where does “Tatiana” come from?

Tatiana (French) comes from Russian Татья́на, from Latin Tatiana, from Latin Tatianus, from Latin Tatius — Titus Tatius, mythological king of the Sabini, later on the joint ruler with Romulus in young Rome.

Ancestry of “Tatiana”, step by step

StepLanguageWordMeaning
1RussianТатья́наTatiana
2LatinTatiana—
3LatinTatianus—
4LatinTatiusTitus Tatius, mythological king of the Sabini, later on the joint ruler with Romulus in young Rome
Every word from Latin Tatius →Every word from Latin Tatianus →Every word from Latin Tatiana →