Generate an image respectfully depicting a biblical history scene, portraying Jacob, an older man with a patriarchal demeanor, alongside his 12 young boys. Ensure all individuals convey a sense of devotion and serenity. Interpret the imagery through a lens of pointillism, a painting technique that involves creating images using small, distinct dots of color. The color scheme should be warm and inviting yet subtle and devotional, maintaining respect for Christian tradition. The created visual should not incorporate any text or words.