The first king of the Maldivian Hilaalee Dynasty was proclaimed king in the year 1388 AD.Hilali dynasty was a branch of a foreign Dynasty. Some historical writing and some folklores reveal that this Dynasty is from Yemen descent. It seems they were travellers of Yemen. They used to be Buddhists, but they changed their reigion and came to Maldives. They settled in Hlhule' in Male' atoll. Some historical documents reveal that Hilali Kalo Hassan, dethroned King Uthman Rasgefaan, who reveal the ruling King at that time, and outcasted him and all his ministers. After his Hilai Kalo Hassan started the Hilai Dynasty.
References
Hilaalee dynasty Wikipedia(Text) CC BY-SA