Skip to content
Wellsprings
Rabbeinu Tam

Rabbeinu Tam

1100 CE1171 CE · Rishonim · Ramerupt

Yaakov ben Meir, known as Rabbeinu Tam ('Our Rabbi the Perfect'), was a leading French Tosafist of the twelfth century and the grandson of Rashi. Born in Ramerupt around 1100, he became the most influential halakhic authority of northern France and a towering figure in Ashkenazi Jewry. Rabbeinu Tam founded a major yeshiva and was renowned for his incisive analytical method, which he applied to reconciling seemingly contradictory talmudic passages and refining halakhic rulings. He authored extensive Tosafot (critical glosses on the Talmud) and was consulted by rabbinic communities across Europe on difficult legal questions. His interpretative innovations shaped Ashkenazi Torah study for centuries. He died in Troyes around 1171, widely mourned as a loss to the Jewish people.

See Rabbeinu Tam’s journey on the map →

Did you know?

  • Rabbeinu Tam was a small boy while his grandfather Rashi was still alive

    Rabbeinu Tam, the towering Tosafist, was Rashi's own grandson — the son of Rashi's daughter Yocheved. Born around 1100, he was a child of about five when Rashi passed away in 1105. Grandfather and grandson shared the same world, however briefly.

    How we know

    Rabbeinu Tam (Yaakov ben Meir) born c. 1100 in Ramerupt, son of Yocheved bat Rashi; Rashi died in 1105 — Rabbeinu Tam was about 5.

    Meet Rashi

Life journeyclick any stop, or use ←/→Trace on the orchard map →

Stop 1 of 21100–1147Born

RameruptChampagne (France)

What they did here

Rashi's grandson and the leading Tosafist; headed the academy of Ramerupt.

About Ramerupt

Ramerupt, a village in the Champagne region of northern France, was a center of Tosafist Torah scholarship in the twelfth century. Rabbi Jacob ben Meir (Rabbeinu Tam), a grandson of Rashi and the leading Tosafist of his generation, lived in Ramerupt and ran his yeshiva there, to which scholars traveled from afar; his brother Rabbi Samuel ben Meir (the Rashbam) was also associated with the town.

In Ramerupt at the same time

Rashbam

See other sages who lived in Ramerupt

In the same place & time

Sages whose lives overlapped with Rabbeinu Tam’s in the same cities, drawn from their recorded journeys.

In the same tradition

Rashbam

The world in their lifetime

Thinkers and teachers of other traditions whose lives overlapped with Rabbeinu Tam’s — a glimpse of the wider world they lived in. Drawn purely from recorded birth and death years.

Works(2)

Tosafotתוספות

Troyes (Champagne) · 1180

Talmudic glosses and novellae on many tractates, representing the tosafist school of interpretation that dominated northern European Ashkenazi yeshivot.

Full text not yet available in our corpus.

Sefer HaYasharספר הישר

Ramerupt · 1160

Compilation of novellae on Talmudic passages and halakhic rulings across multiple tractates, preserving his legal reasoning and responsa.

Full text not yet available in our corpus.

Related figuresRashbamRashiRaaviahRa'avadSuggested by shared subject matter, not a documented teaching relationship.