Esra was the mother of Sinbad and wife of Badr.

Esra was a woman of average height with long black hair tied in a braid, light brown eyes and thick eyebrows. She wore normal Parthevian clothes and hoop-shaped earrings. When she became ill, her appearance worsened; she lost weight and her hair was disheveled.

Manga Debut
Magi: Night 165
Sinbad no Bouken: Night 1 (flashback), Night 2 (debut)

(Source: Magi Wikia)