Faith Lab The genealogies don't match. That might be the point.
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Feb 25, 2026 Scholars compare Matthew and Luke against 95 ancient biographies to rethink why their birth narratives differ. They examine why the gospels were written soon after events and how that affects reliability. The discussion highlights Jewish genealogical practices, possible ways royal and nonroyal lines could both be true, and whether Luke's census and other details plausibly fit ancient sources.
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Gospels Had Exceptional Source Proximity
- Matthew and Luke had unusually close access to sources compared with other ancient biographers.
- Caleb analyzed 95 biographies and found their average author lived 360 years after subjects, but Matthew and Luke likely interviewed eyewitness-adjacent people like James or Peter.
Historiographic Intent Plus Strong Sources Strengthen Trust
- Caleb's historiographic equation: both Matthew and Luke show intent to tell true history and had good sources via the early Christian community.
- He emphasizes access to eyewitness-adjacent informants and the high cost of deception in a close-knit setting.
Jewish Genealogies Permit Dual Lineage Claims
- Jewish genealogies allowed multiple simultaneous father-claims and complex lineage practices like levirate marriage.
- Caleb points to Ruth/Obed and explains royal and non-royal Davidic lines (Solomon vs Nathan) can legitimately diverge then reconverge.