Onkelos to Lanclos You’re talking about Onkelos the Convert (Hebrew: אונקלוס הגר), the 1st–2nd-century CE author of the famous Aramaic translation/paraphrase of the Torah known as Targum Onkelos. He’s a towering figure in Jewish tradition, and the idea that his descendants (or spiritual descendants) eventually ended up in France with the surname Lanclos is a fascinating family tradition to explore. Let’s unpack this step by step.1. Who was Onkelos historically?Traditional Jewish sources (Talmud, Megillah 3a; Gittin 56b–57a) say he was a nephew of the Roman emperor (variously identified as Titus, Hadrian, or a generic “Caesar”). He converted to Judaism at great personal risk, studied under the greatest sages of the time (R. Eliezer ben Hyrcanus and R. Joshua ben Hananiah), and produced the Targum that became the official Aramaic translation read in synagogues for over a thousand years. After his conversion he disappears from the historical record. We have no solid evidence of his c...