This writing explained about the social, economic, and political background around the local leaders which happened when there was political power change in harbors of Java north seashores throughout the 15th century. This explanation could make clear about the process of Islamic settle through the politic power shift from Hindu-Budha to Muslim leaders in Java north seashores to be something which was plausible. The above description has ignored the social, economic, and political contexts in the societies, where the king lives and leads. This description also assumed that it was not important about the marriage relationship among Muslim sellers with princesses and between infidel leaders with Muslim leaders’ daughter in other places. A s...