In the context of ancient Israel, kings like David often took multiple wives and concubines as a means of solidifying political alliances and ensuring the continuation of their lineage. This practice was a reflection of the cultural norms of the time, where having many children was seen as a sign of prosperity and divine blessing. David's move to Jerusalem marked a significant point in his reign, as he established the city as the political and spiritual center of Israel.
The mention of David's growing family in Jerusalem signifies his increasing power and influence. However, it's important to recognize that the Bible also records the complexities and challenges that arose from these family dynamics. While polygamy was accepted in the ancient world, modern Christian teachings generally advocate for monogamous relationships, reflecting a shift in understanding of marital relationships over time.
This verse also serves as a reminder of the human aspects of biblical figures, who, despite their significant roles in God's plan, were not without flaws and challenges. It invites reflection on how cultural practices influence personal and spiritual life, and how God's purposes can unfold through imperfect human actions.