<P> Initially, David was king over the Tribe of Judah only and ruled from Hebron, but after seven and a half years, the other Israelite tribes, who found themselves leaderless after the death of Ish - bosheth chose him to be their king as well </P> <P> All subsequent kings in both the ancient first united Kingdom of Israel and the later Kingdom of Judah claimed direct descent from King David to validate their claim to the throne in order to rule over the Israelite tribes . </P> <P> After the death of David's son, King Solomon, the ten northern tribes of the Kingdom of Israel rejected the Davidic line, refusing to accept Solomon's son, Rehoboam, and instead chose as king Jeroboam and formed the northern Kingdom of Israel . This kingdom was conquered by Assyria in the 8th century BCE which exiled much of the Northern Kingdom population and ended its sovereign status . The bulk population of the Northern Kingdom of Israel was forced to relocate to Mesopotamia and mostly disappeared from history as The Ten Lost Tribes or intermixed with exiled Judean populations two centuries later, while the remaining Israelite peoples in Samaria highlands have become known as Samaritans during the classic era and to modern times . </P> <P> Following the conquest of Judah by Babylon and the exile of its population, the Babylonian Exilarchate was established . The highest official of Babylonian Jewry was the exilarch (Reish Galuta, "Head of the Diaspora"). Those who held the position traced their ancestry to the House of David in the male line . The position holder was regarded as a king - in - waiting, residing in Babylon and later in Achaeminid Persia during the classic era . Zerubbabel of the Davidic line is mentioned as one of the leaders of the Jewish community in the 5th century BCE, holding the title of Achaeminid Governor of Yehud Medinata . </P>

Who was the second ruler of the davidic monarchy