this is the list of Estara's offspring that I know of:
Estana El Shaklan v. *El Shaklan, Schimmel, 1982
Ibn Estara Shaklan v. *El Shaklan, Fuchs, 1983
Estara Son v. Quebek, Schimmel, 1984
Estara Ibn Estopa v. Ibn Estopa, Fuchs, 1986
Estar Ibn Estopa v. Ibn Estopa, Fuchs, 1987
Estara Bint Masri v. Masri OA, Schimmel, 1988
Zanaduk Ibn Estara v. Gual Moghar, Schimmel, 1990
I don't know any offspring of Estara Bint Masri.
I have two pics of Estara. The first one was taken in 1990 by Erwin Escher.