"And two brothers will rise over [Yishmael] as princes in the end, and in their days will arise Tzemach the son of David." (Pirkei d'Rebbe Eliezer, end of chap. 30)
"The two heads will make a covenant of brotherhood between them and will stand against Israel." (Matzmiach Yeshua, p. 43, Rabbi Alexander Mandelbaum)
Hamas calls for Palestinian reconciliation after Israel poll
...Hamas and Fatah signed a reconciliation deal almost one year ago aimed at ending seven years of division.
That division had led to two rival seats of Palestinian government – one in Gaza and one in Ramallah– after Hamas routed pro-Fatah forces in 2007 and took control of the Gaza Strip.