Assertion: empire's control | /r/HasProperty | contested for four following years
Facets:
value: between an-nasir dawud
type: TEMPORAL
Source sentences:
text: For the four following years, control of the cities was contested between An-Nasir Dawud and his cousin As-Salih Ayyub who had allied with the crusaders, aided by the diplomatic efforts of Thibaut IV of Champagne.