Patterns of interaction between siblings in the male-oriented Arabian Nights conform to El-Shamy’s theory called The Brother-Sister Syndrome. The core of this dyadic relationship is a stable pattern of sentiments (learned feelings) involving the entire family: brother-sister mutual love; sister-sister rivalry; brother-brother rivalry; child-parent(s) hostility; husband-wife hostility (or lack of love and affection); brother-sister’s husband hostility; sister-brother’s wife rivalry; and brother-sister’s child affection; a brother-brother’s son hostility. The latter set of relations describes the affect generated by a maternal-uncle and a paternal uncle, respectively.
El-Shamy, Hasan. "Siblings in Alf laylah wa-laylah." Marvels & Tales 18.2 (2004). Web. <http://digitalcommons.wayne.edu/marvels/vol18/iss2/2>.