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We see at least 3 names of Sarah in Sefer Breishit. Sarah (obviously) Yiscah (Rashi to 11:29) Lucy (18:6) We see Lucy from what Avraham tells her: לושי ועשי עוגות -- Lucy, and make cakes! Questions: Why was she called Lucy? What other names did she have? Bonus: how did these various names ...