International audienceArchaeological research carried out in the Arabian Peninsula in the last forty years confirms that in Late Antiquity Judaism had numerous followers in Yemen and the Ḥijāz. Among these Arabian Jews, a few were for sure converts and many others were probably as well. A primary issue concerns the nature of this Judaism, which appears to be different from those of rabbis (Robin, forthcoming). A second question, the topic of this contribution, is related to chronology and modes of conversion. Kinda, one of the Arab tribes in the south of the Peninsula - to be distinguished from Ḥimyaritetribes of Yemen -included numerous followers of Judaism, as Professor Michael Lecker has shown in two contributions published in 1994 and 1...