Sefer Chasidimספר חסידים
Regensburg · 1175
1150 CE–1217 CE · Rishonim · Speyer (Rhineland)
Rabbi Yehuda HeChasid — Judah ben Samuel of Regensburg (1150–1217) — was the central figure of the Chassidei Ashkenaz, the German Pietist movement. Born in Speyer into the illustrious Kalonymus family and later settled in Regensburg, he led a circle devoted to intense ethical and mystical piety. He is the principal author of Sefer Chasidim, a sprawling guide to penitence, prayer, and the inner life that profoundly shaped Ashkenazic spirituality, and his disciples — Eleazar of Worms and Isaac 'Or Zarua' among them — carried his teachings across medieval Germany. He is also remembered for the famous ethical will (Tzava'at Rabbi Yehuda HeChasid) attributed to him.
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Born in Speyer in 1150 into the distinguished Kalonymus family; his father, Samuel, was himself revered as a pietist and mystic.
# Speyer Under the rule of the German princes and Holy Roman Empire, Speyer rose along the Rhine River as one of medieval Europe's most important cathedral cities and a center of Christian imperial power—yet it became equally renowned as a thriving hub of Jewish learning and life. The city's strategic location on a major trade route, surrounded by the region's rolling vineyards and the broad Rhine itself, made it a magnet for merchants, scholars, and craftspeople. By the eleventh century, Speyer's Jewish community had grown into one of the Rhineland's most prosperous and intellectually vibrant settlements, home to renowned yeshivas and scholars whose influence radiated across all of northern Europe. The community enjoyed a remarkable period of relative security and autonomy, even obtaining a charter of privileges from the local bishop that granted them legal protections unusual for medieval Jewish life. Yet Speyer's greatest tragedy came during the First Crusade in 1096, when massive pogroms devastated the community—a watershed moment that transformed Jewish consciousness and left permanent marks on the city's Jewish memory. The imposing Speyer Cathedral, begun in 1025, still towers over the city today, a monument to the Christian empire that both sheltered and threatened the Jewish world that flourished in its shadow.
In the same place & time
Sages whose lives overlapped with Yehuda HeChasid’s in the same cities, drawn from their recorded journeys.
The world in their lifetime
Thinkers and teachers of other traditions whose lives overlapped with Yehuda HeChasid’s — a glimpse of the wider world they lived in. Drawn purely from recorded birth and death years.
Regensburg · 1175