Bara, caregiver to sons of Haninai

See

"Jews in Islamic Countries in the Middle Ages"

By Moše Gîl, Volume 28 of Etudes sur le judaïsme médiéval / Etudes sur le judaïsme médiéval. Translated by David Strassler, Published by Brill 2004, ISBN 900413882X, 9789004138827 In particular we refer you to pages 78-79, footnote 64

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Bara is cited in the footnote as the real name of this daughter who was an illegitimate daughter of Sosandukht and her Jewish Court Judge.